Nabble - BirdBander

Hummingbird blog update

2009-12-15T12:12:22Z

Hummingbird enthusiasts,

I have updated my blog with an account of a trip to Holmes County,
northeastern Ohio, on Friday, December 11, when I banded Ohio's first
Allen's Hummingbird. It is rather long, but also has lots of photos. And I
get on my soapbox a little at the end, so you can read that bit, or not, as
you see fit. Go to my blog at: http://mihummingbirdguy.blogspot.com/.

Allen T. Chartier
amazilia1(at)comcast.net
Inkster, Michigan, USA

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Hilton Pond 12/01/09 (Rufous Hummingbird)

2009-12-11T14:54:08Z

We were delighted today to travel to Moore SC, where we captured a very colorful Rufous Hummingbird--only our second adult male in 18 years of banding vagrant hummers. We've devoted the 1-11 December 2009 installment of "This Week at Hilton Pond" to this little bird who's far from where we might expect him to be as winter approaches. To view the photo essay, please visit http://www.hiltonpond.org/ThisWeek091201.html . While there, scroll down for a list of birds banded or recaptured locally, as well as some miscellaneous nature notes.

Happy Nature Watching!

BILL

=========

RESEARCH PROGRAM
c/o BILL HILTON JR. Executive Director
Hilton Pond Center for Piedmont Natural History
1432 DeVinney Road, York, South Carolina 29745 USA
(803) 684-5852

Please visit our web sites (courtesy of Comporium.net):
Hilton Pond Center for Piedmont Natural History at http://www.hiltonpond.org
"Operation RubyThroat: The Hummingbird Project" at http://www.rubythroat.org

==================

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Re: Colour ringing Pacific gulls

2009-12-09T02:56:29Z

Ah that one James. Thank you! Great birds, if you bring hem to me I'll make
sure they get a colour ring.
Cheers, Norman

>James Cracknell points at:

http://en.wikipedia.org/wiki/Pacific_Gull

2009/12/8 Norman D.van Swelm <Norman.vanswelm@...>:
> James Cracknell wrote: > Is anyone colour ringing Pacific Gulls? There is
> a
> fair bit of
>>
>> interest on cr-birding. If you are I'll put you in touch with the
>> right person.
>
> What is a Pacific Gull James?

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Re: Colour ringing Pacific gulls

2009-12-08T13:42:09Z

James Cracknell wrote: > Is anyone colour ringing Pacific Gulls? There is a
fair bit of
> interest on cr-birding. If you are I'll put you in touch with the
> right person.

What is a Pacific Gull James?
Cheers, Norman

subscription options and posting rules can be found at the BirdBand web site:
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unsubscribe

2009-12-07T21:59:07Z

Could the List Moderator please remove me from Bird Band; the geocities
link for subscription options no longer works.
Thanks,
Greg Davies

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Hilton Pond 11/22/09 (Wetlands & Watersheds)

2009-12-07T18:16:44Z

No matter where we live, wetlands are and watersheds are important to understand and protect. That's one reason we've been working with a "sister center" in West Virginia as it tries an innovative way for people, business, and nature to live in harmony. To view our photo essay about flora, fauna, and habitats of the New River Birding & Nature Center, please visit our 22-30 November 2009 installment of "This Week at Hilton Pond" at http://www.hiltonpond.org/ThisWeek091122.html

While on the page, don't forget to scroll down for our usual list of birds banded or recaptured during the period, including a rather old White-throated Sparrow from up north somewhere.

Happy Nature Watching!

BILL

=========

RESEARCH PROGRAM
c/o BILL HILTON JR. Executive Director
Hilton Pond Center for Piedmont Natural History
1432 DeVinney Road, York, South Carolina 29745 USA
(803) 684-5852

Please visit our web sites (courtesy of Comporium.net):
Hilton Pond Center for Piedmont Natural History at http://www.hiltonpond.org
"Operation RubyThroat: The Hummingbird Project" at http://www.rubythroat.org

==================

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Colour ringing Pacific gulls

2009-12-07T14:59:16Z

Hi

Is anyone colour ringing Pacific Gulls? There is a fair bit of
interest on cr-birding. If you are I'll put you in touch with the
right person.

James

subscription options and posting rules can be found at the BirdBand web site:
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How to band Woodcock

2009-12-07T08:31:25Z

Hello everyone,

I am hoping to start a project examining the behavior of American Woodcock. I would welcome any advice on catching woodcock, especially details on what size mesh of mist net to use, placement of mist nets and alternative methods of catching them.

Thanks,
-Jackie

Dr. Jackie Augustine
Assistant Professor
The Ohio State University at Lima
4240 Campus Dr., LL330
Lima, OH 45804

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Banded Ferruginous Hawk

2009-12-06T17:11:42Z

Hi banders, I'm a bander and Steve King works with me banding. Yesterday (sat, december 5)on a Raptor Run outing for Altacal Audubon Society in Chico, CA, Steve took pics of this Ferruginous Hawk (FEHA) and did not know it was banded until he zoomed in on the pic. It's a federal band on the right leg but you can't see numbers. Were curious as to who might be banding FEHA. See photos of the hawk and you can input this lat/long for location on Cottonwood Road.

39.552640, -121.658046

Steve's photos of raptor run and FEHA:
http://picasaweb.google.com/sking.chico/2009_12_05?authkey=Gv1sRgCL_Z7_6o692_2gE&feat=directlink

Thanks,
Dawn Garcia
Paradise, CA

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Hilton Pond 11/18/09 (Hummingbird Records)

2009-11-29T11:31:17Z

Did your Ruby-throated Hummingbirds arrive slowly in 2009? Did you think you might have your worst year ever for hosting these little balls of fluff at backyard feeders? Did ruby-throats finally arrive with a vengeance in late summer? If so, you had something in common with our banding efforts in the Carolina Piedmont, where things started extremely slow and finished exceptionally fast. To read about the downs and ups of our unusual 2009 hummingbird season, please visit the 18-21 November 2009 edition of "This Week at Hilton Pond" at http://www.hiltonpond.org/ThisWeek091118.html . We include some hummer photos you may find of interest.

Happy (Thanksgiving) Nature Watching!

BILL

=========

RESEARCH PROGRAM
c/o BILL HILTON JR. Executive Director
Hilton Pond Center for Piedmont Natural History
1432 DeVinney Road, York, South Carolina 29745 USA
(803) 684-5852

Please visit our web sites (courtesy of Comporium.net):
Hilton Pond Center for Piedmont Natural History at http://www.hiltonpond.org
"Operation RubyThroat: The Hummingbird Project" at http://www.rubythroat.org

==================

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Re: Compressed-air powered nets help

2009-11-26T13:24:37Z

We've been using nets powered by bungie cords (rubber tie down cords) to capture birds on the ground i.e. CAGU, HERG, RBGU

John Woodcock, Program Coordinator
Thunder Cape Bird Observatory
phone: 807-251-3673
http://www.tbfn.net/tcbotbfn.htm
johntbaywoodcock@...
http://www.saveoursongbirds.org

Mailing Address: 350 N. Harold St., Thunder Bay, Ontario, Canada, P7C 4C6

"You belong to Nature... not it to you." Grey Owl 1888-1938

> Date: Thu, 26 Nov 2009 07:27:26 +0000
> From: weshalton@...
> Subject: Re: [BIRDBAND] Compressed-air powered nets help
> To: BIRDBAND@...
>
> Hi
>
> About 15 years ago along with an engineering colleague of mine we developed a
> prototype compressed air net that was showing some promise but we had problems
> with the valves remaining airtight when in use in the field.
>
> I cannot remember the exact measurements and weights but the net we had was of a
> similar size to the one you are using possible a little larger.
>
> Anyway some vague details you may find interesting.
>
> The air reservoir was approx 1.75 litres and the air pressure was over 180 and often
> up to 220 psi.
>
> The missile and launch tube were made of plastic kitchen waste pipe which over here
> in the UK is sold in 2 sizes 1.25" and 1.5" od. The smaller size fits snugly inside the
> larger one. Our missile was the outer tube, ie it fitted OVER the barrel not inside it
> like cannon nets.
>
> The release valve was a simple 1" diameter ball valve which was spring loaded so
> that it would remain open until it was connected to a solenoid release mechanism
> which would hold the valve closed until the solenoids were switched to "fire"
>
> The missile was approx 15" long and had a metal nose cone of approx 4oz weight ( I
> think!) at the tail end of the missile we used some rubber inner tube off a cycle that
> would form a seal between the two different sizes of tube being used. In practice this
> did not seem to be necessary !
>
> The first time we fired the system there was an almighty "POP" as the missile was
> launched and since we knew the missile velocity would be slower than usual cannon
> nets we decided we needed to muffle that somehow as it would scare birds before the
> net had settled. After trying several methods we tried filling the launch tube with
> water (just the tube not the air reservoir !)We then did a test fire and scared ourselves
> to death ! The velocity of the missile was greatly increased maybe 5 or more times
> more powerful, In fact firing a missile untethered it would easily travel over 150
> metres, in addition the exhaust noise was almost negligible
>
> My friend had a really thick hawthorn hedge at the bottom of his garden, some 20
> yards from our test launching pad (really a picnic table). We fired tethered missiles
> for safety purposes and after a few days we had all but obliterated a section of the
> hedge . We were firing the missiles like kids with a new toy! Our method for testing
> different barrel lengths, missile weights etc was rather crude. We had strong rope
> attached to a water container and the other end of the rope was fastened with cord to
> the missile. The overall length of the rope and cord was a few feet less than the
> length of the garden. Every time we fired the water container was put on a chalk line
> and we just observed how far the container had jumped when it was stopping the
> missile in flight. Simple but it did work !
>
> We took some video footage of a net being fired using the air power and some of a
> normal cannon net. Although the net sizes were different it was obvious that the air
> net was actually faster in flight than a cannon net. This was mainly due to the fact
> that when a cannon is fired, because the "front" of the missile is pushed down the
> cannon it has to start travelling backwards and then somersaults in the air once
> there is some tension in the attached rope. In fact the cannon missile travels in a very
> erratic manner until the weight of the net stabilises its direction. The videos when
> slowed down showed that a tremendous amount of energy is wasted in cannon net, it
> was actually scary to watch, if ropes should snap on a cannon net then the missile
> could go anywhere within 60 degrees in any direction from the intended trajectory
>
> The air missiles had the net cords anchored at the tail end of them, this was only
> possible because as described earlier the missile is on the outside of the launch tube.
> With the cord being attached like this the missile is travelling in the right orientation
> from the outset, and wastes no energy tumbling through the air as a cannon missile
> does.
>
> We experimented with various lengths of missile and launch tube but the firing range
> wasn't much different, unless the tubes became excessively long. The important
> factors are the volume of air that was available along with the psi when ready to fire.
> The other important thing is the valve size, anything less than a 1" valve did not
> allow air to escape fast enough to power the missile. I seem to remember that we
> initially worked on a principle that the reservoir should be twice the volume of the
> launch tube, but this wasn't as important once we added the water to the system.
> There shouldn't be any bends in the system either as that can reduce the effective
> force of the air.
>
> The were a couple of reasons we stopped development of the device, one was the
> short life span of the valves. In field use the nylon seals soon became contaminated
> with sand etc so they leaked at an alarming rate, which meant that realistically new
> valves should be used with each fire .. not exactly a cheap method !
>
> The other was that we had wanted the unit to be an intermediate device between
> whoosh nets and cannon nets. When we demonstrated the system to staff at the BTO
> there was some concern that it could potentially catch as many birds as a cannon net,
> and would thus require special licensing which was not what we had set out to
> achieve !
>
>
> Hope this helps !
>
> Wes
>
>
> On 11 Nov 2009 at 12:53, Chris Snook wrote:
>
> > Has anyone on this list any experience with building/using compressed
> > air-powered cannon nets?
> >
> > I am trying to build a couple of compressed-air powered cannons for a
> > small scale cannon net ( 6 m x 3 m, weight 800 g ) and have some questions.
> >
> > 1. What typical air pressures are used?
> > 2. What size and weight of projectiles are used for what net size?
> >
> > Any help will be appreciated.
> >
> > Chris Snook,
> > Charleston, SC
> >
> > subscription options and posting rules can be found at the BirdBand web
> > site:
> > http://www.geocities.com/RainForest/6549/birdband.htm
>
> ----
> email :- weshalton@...
> Tel :- Home 01204709302
> Mob 07711 837498
>
> subscription options and posting rules can be found at the BirdBand web site:
> http://www.geocities.com/RainForest/6549/birdband.htm

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Re: Compressed-air powered nets help

2009-11-25T23:27:26Z

Hi

About 15 years ago along with an engineering colleague of mine we developed a
prototype compressed air net that was showing some promise but we had problems
with the valves remaining airtight when in use in the field.

I cannot remember the exact measurements and weights but the net we had was of a
similar size to the one you are using possible a little larger.

Anyway some vague details you may find interesting.

The air reservoir was approx 1.75 litres and the air pressure was over 180 and often
up to 220 psi.

The missile and launch tube were made of plastic kitchen waste pipe which over here
in the UK is sold in 2 sizes 1.25" and 1.5" od. The smaller size fits snugly inside the
larger one. Our missile was the outer tube, ie it fitted OVER the barrel not inside it
like cannon nets.

The release valve was a simple 1" diameter ball valve which was spring loaded so
that it would remain open until it was connected to a solenoid release mechanism
which would hold the valve closed until the solenoids were switched to "fire"

The missile was approx 15" long and had a metal nose cone of approx 4oz weight ( I
think!) at the tail end of the missile we used some rubber inner tube off a cycle that
would form a seal between the two different sizes of tube being used. In practice this
did not seem to be necessary !

The first time we fired the system there was an almighty "POP" as the missile was
launched and since we knew the missile velocity would be slower than usual cannon
nets we decided we needed to muffle that somehow as it would scare birds before the
net had settled. After trying several methods we tried filling the launch tube with
water (just the tube not the air reservoir !)We then did a test fire and scared ourselves
to death ! The velocity of the missile was greatly increased maybe 5 or more times
more powerful, In fact firing a missile untethered it would easily travel over 150
metres, in addition the exhaust noise was almost negligible

My friend had a really thick hawthorn hedge at the bottom of his garden, some 20
yards from our test launching pad (really a picnic table). We fired tethered missiles
for safety purposes and after a few days we had all but obliterated a section of the
hedge . We were firing the missiles like kids with a new toy! Our method for testing
different barrel lengths, missile weights etc was rather crude. We had strong rope
attached to a water container and the other end of the rope was fastened with cord to
the missile. The overall length of the rope and cord was a few feet less than the
length of the garden. Every time we fired the water container was put on a chalk line
and we just observed how far the container had jumped when it was stopping the
missile in flight. Simple but it did work !

We took some video footage of a net being fired using the air power and some of a
normal cannon net. Although the net sizes were different it was obvious that the air
net was actually faster in flight than a cannon net. This was mainly due to the fact
that when a cannon is fired, because the "front" of the missile is pushed down the
cannon it has to start travelling backwards and then somersaults in the air once
there is some tension in the attached rope. In fact the cannon missile travels in a very
erratic manner until the weight of the net stabilises its direction. The videos when
slowed down showed that a tremendous amount of energy is wasted in cannon net, it
was actually scary to watch, if ropes should snap on a cannon net then the missile
could go anywhere within 60 degrees in any direction from the intended trajectory

The air missiles had the net cords anchored at the tail end of them, this was only
possible because as described earlier the missile is on the outside of the launch tube.
With the cord being attached like this the missile is travelling in the right orientation
from the outset, and wastes no energy tumbling through the air as a cannon missile
does.

We experimented with various lengths of missile and launch tube but the firing range
wasn't much different, unless the tubes became excessively long. The important
factors are the volume of air that was available along with the psi when ready to fire.
The other important thing is the valve size, anything less than a 1" valve did not
allow air to escape fast enough to power the missile. I seem to remember that we
initially worked on a principle that the reservoir should be twice the volume of the
launch tube, but this wasn't as important once we added the water to the system.
There shouldn't be any bends in the system either as that can reduce the effective
force of the air.

The were a couple of reasons we stopped development of the device, one was the
short life span of the valves. In field use the nylon seals soon became contaminated
with sand etc so they leaked at an alarming rate, which meant that realistically new
valves should be used with each fire .. not exactly a cheap method !

The other was that we had wanted the unit to be an intermediate device between
whoosh nets and cannon nets. When we demonstrated the system to staff at the BTO
there was some concern that it could potentially catch as many birds as a cannon net,
and would thus require special licensing which was not what we had set out to
achieve !

Hope this helps !

Wes

On 11 Nov 2009 at 12:53, Chris Snook wrote:

> Has anyone on this list any experience with building/using compressed
> air-powered cannon nets?
>
> I am trying to build a couple of compressed-air powered cannons for a
> small scale cannon net ( 6 m x 3 m, weight 800 g ) and have some questions.
>
> 1. What typical air pressures are used?
> 2. What size and weight of projectiles are used for what net size?
>
> Any help will be appreciated.
>
> Chris Snook,
> Charleston, SC
>
> subscription options and posting rules can be found at the BirdBand web
> site:
> http://www.geocities.com/RainForest/6549/birdband.htm

----
email :- weshalton@...
Tel :- Home 01204709302
Mob 07711 837498

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Picture of Fork-tailed Flycatcher in MN

2009-11-25T09:50:56Z

A former student of mine has passed along a couple of photos
showing what appears to be a Fork-tailed Flycatcher in Pine County,
MN. I have posted the pictures at:

http://minnesotabirdnerd.blogspot.com

I don't have many details about exact location or if the bird is
still present but take a look and see if the ID is correct.

Roger Everhart
Apple Valley, MN
www.ncbo.org

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info on magnfiers

2009-11-23T15:49:17Z

Hello -

I'm responding to an RFI a while ago about magnifiers. I use a small magnifier that clips onto my glasses. I has 2 lenses that can be used separately or together. It works
well for skulling Passerines and for look at bill striations on hummingbirds. Follow the links at: http://www.kassoy.com/ec/1/section.asp?idDept=265

Anthony Hill
Massachusetts

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subscription options and posting rules can be found at the BirdBand web site:
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Colour-banded Great Egrets

2009-11-22T06:55:47Z

I am posting this for Chip Weseloh who is having some posting issues. Please
contact him (not me) with any sightings.

Jean Bickal
US Co-Owner BirdBand

I would like to encourage everyone to watch for …and report….colour-banded
Great Egrets. We have colour-banded over 1200 YOY Great Egrets at four sites
in southern Ontario and the New York portion of the Niagara River in the
last decade. All birds have one or more red plastic leg bands with white
alpha-numerics. The colour bands may be on the right or the left leg, please
note. To date, winter sightings/recoveries have come from the SE U.S.
(Florida and North and South Carolina, Cuba and the Azores Islands). We are
particularily looking for more winter sightings. If you see any such banded
Great Egrets, please reply to chip.weseloh@....

Thanks.

subscription options and posting rules can be found at the BirdBand web site:
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Banding blog update

2009-11-22T03:13:59Z

Hi everyone

Just a quick update about our trip on Saturday.

http://birdbander.blogspot.com/

Cheers
Anthony

subscription options and posting rules can be found at the BirdBand web site:
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Hilton Pond 11/11/09 (Cedar Waxwings)

2009-11-17T14:25:58Z

We don't know anyone who doesn't like Cedar Waxwings, so we're pleased "This Week at Hilton Pond" to be able to share our photo essay about these "elegant" berry-eating birds. For some truly up-close looks at waxwings, please visit the installment for 11-17 November at http://www.hiltonpond.org/ThisWeek091111.html

Don't forget to scroll down for a list of banded birds and recaptures, including a wily Eastern Towhee that has been around Hilton Pond a long time.

REMINDER: the final deadline for our 2010 midwinter Neotropical Hummingbird Expeditions is 24 November 2009, so you still have time to join us for an unforgettable experience in countries that in January and February are warm, sunny, and filled with exotic flora and fauna. Trip info is at a link from the top of the photo essay.

Happy Nature Watching!

BILL

=========

RESEARCH PROGRAM
c/o BILL HILTON JR. Executive Director
Hilton Pond Center for Piedmont Natural History
1432 DeVinney Road, York, South Carolina 29745 USA
(803) 684-5852

Please visit our web sites (courtesy of Comporium.net):
Hilton Pond Center for Piedmont Natural History at http://www.hiltonpond.org
"Operation RubyThroat: The Hummingbird Project" at http://www.rubythroat.org

==================

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Mag-eyes

2009-11-16T12:21:24Z

Hi Guys,

Does anyone know where I could get a pair of high quality 'mag-eyes' - We
use hobby-shop quality headset mag-eyes at our banding station for looking
at molt limits etc but I was wondering if anyone has used either surgical or
dental quality headlamp systems and if so if they could recommend a
particular brand and supplier.

Thanks.

Derek Matthews
Vancouver Avian Research Centre
Vancouver, BC, Canada
www.birdvancouver.com

subscription options and posting rules can be found at the BirdBand web site:
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Re: Compressed-air powered nets help

2009-11-12T13:28:58Z

Hi Chris

Lyndon Kearsley was collecting a lot of details on this type of net a
few years ago. Perhaps he would be a good source of information.
Regards

barry

Chris Snook wrote:

--
Barry O'Mahony
Cork, Ireland

subscription options and posting rules can be found at the BirdBand web site:
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RFI: Color Banded Great Egrets

2009-11-12T08:15:26Z

This week we got a report of a color banded Great Egret in Fort Mill SC and learned it had been banded more than 500 miles due north on the Great Lakes. Chip Weseloh of the Canadian Wildlife Service subsequently asked me to post the following info. Please send questions or comments directly to Chip.

"The Canadian Wildlife Service has colour-banded more than 1,200 young-of-the-year Great Egrets on four colonies in the Great Lakes Basin since 2000. All birds have been fitted with at least one red leg band with white alpha numerics. Reports of these birds have come from the southeastern United States and Cuba, with one report from the Azores Islands. PLEASE check all Great Egrets seen during the winter; our winter reports have been very few for the number of birds banded. Sightings should be reported to the federal Bird Banding Laboratory and to Chip Weseloh at <Chip.Weseloh@...>"

More info about the Fort Mill sighting and a photo of what to look for in the way of color banded Great Egrets is included at the end of my current "This Week at Hilton Pond" installment at http://www.hiltonpond.org/ThisWeek091101.html

=========

RESEARCH PROGRAM
c/o BILL HILTON JR. Executive Director
Hilton Pond Center for Piedmont Natural History
1432 DeVinney Road, York, South Carolina 29745 USA
(803) 684-5852

Please visit our web sites (courtesy of Comporium.net):
Hilton Pond Center for Piedmont Natural History at http://www.hiltonpond.org
"Operation RubyThroat: The Hummingbird Project" at http://www.rubythroat.org

==================

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Re: Compressed-air powered nets help

2009-11-12T05:43:39Z

An elastic powered net used to capture caracara was detailed in an article published in the Journal of Field Ornithology a number of years ago. A search of articles in that journal might be fruitful.

Jack Eitniear
CSTB inc.
"We will be known forever by the tracks we leave" Dakota Indian Saying

--- On Thu, 11/12/09, Phil Prosser <phil.prosser@...> wrote:

> From: Phil Prosser <phil.prosser@...>
> Subject: Re: [BIRDBAND] Compressed-air powered nets help
> To: BIRDBAND@...
> Date: Thursday, November 12, 2009, 6:13 AM
> Compressed-air powered nets have also
> been called "phut" nets (from the sound they make); this
> might help your research.
>
> But elastic power is probably simpler and better for a net
> of the sort of size you're proposing. We've used an
> elastic-powered "whoosh" net (also onomatopoeically named)
> up to 5 by 15 metres, powered by four elastics to catch
> Anser geese. We've also routinely used smaller ones to
> catch passerines - they can be set to fire VERY fast
> indeed. I have a document with some technical details
> which I'll send you off-list if you like.
>
> --
> ----------------------------------------------------------------------
> Dr Phil Prosser
> Wildlife Ecotoxicologist
> The Food and Environment Research Agency
> Sand Hutton, York YO41 1LZ
>
> subscription options and posting rules can be found at the
> BirdBand web site:
> http://www.geocities.com/RainForest/6549/birdband.htm
>

subscription options and posting rules can be found at the BirdBand web site:
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Re: Compressed-air powered nets help

2009-11-12T04:13:28Z

Compressed-air powered nets have also been called "phut" nets (from the
sound they make); this might help your research.

But elastic power is probably simpler and better for a net of the sort
of size you're proposing. We've used an elastic-powered "whoosh" net
(also onomatopoeically named) up to 5 by 15 metres, powered by four
elastics to catch Anser geese. We've also routinely used smaller ones
to catch passerines - they can be set to fire VERY fast indeed. I have
a document with some technical details which I'll send you off-list if
you like.

--
----------------------------------------------------------------------
Dr Phil Prosser
Wildlife Ecotoxicologist
The Food and Environment Research Agency
Sand Hutton, York YO41 1LZ

subscription options and posting rules can be found at the BirdBand web site:
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Re: Compressed-air powered nets help

2009-11-11T21:18:45Z

For a net as small as this an elasticised system will suffice. The
trajectory is however not very high and needs to be adjusted by stretching
the elastic over a pole to give initial lift. We were catching small
passerines.

I think BTO (UK) have designs. I was involved with one of these several
years ago and it worked fine and was much larger than your proposed net. I
cannot remember details I am afraid.

Barry
M B Lancaster
Currently, Addlestone UK
----- Original Message -----
From: "Chris Snook" <snook_c@...>
To: <BIRDBAND@...>
Sent: Wednesday, November 11, 2009 5:53 PM
Subject: [BIRDBAND] Compressed-air powered nets help

> Has anyone on this list any experience with building/using compressed
> air-powered cannon nets?
>
> I am trying to build a couple of compressed-air powered cannons for a
> small scale cannon net ( 6 m x 3 m, weight 800 g ) and have some
> questions.
>
> 1. What typical air pressures are used?
> 2. What size and weight of projectiles are used for what net size?
>
> Any help will be appreciated.
>
> Chris Snook,
> Charleston, SC
>
> subscription options and posting rules can be found at the BirdBand web
> site:
> http://www.geocities.com/RainForest/6549/birdband.htm

subscription options and posting rules can be found at the BirdBand web site:
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Compressed-air powered nets help

2009-11-11T09:53:48Z

Has anyone on this list any experience with building/using compressed
air-powered cannon nets?

I am trying to build a couple of compressed-air powered cannons for a
small scale cannon net ( 6 m x 3 m, weight 800 g ) and have some questions.

1. What typical air pressures are used?
2. What size and weight of projectiles are used for what net size?

Any help will be appreciated.

Chris Snook,
Charleston, SC

subscription options and posting rules can be found at the BirdBand web site:
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Hilton Pond 11/01/09

2009-11-10T17:20:44Z

By late October and early November, nature is getting downright serious about preparing for winter. For a sampling of phenological happenings that occur in late autumn, please see our "This Week at Hilton Pond" photo essay for 1-10 November at http://www.hiltonpond.org/ThisWeek091101.html . There's something for almost everyone--Songbirds, hawks, pollinators, wildflowers, and info about this year's abundant mast crop.

There's also a bonus photo and story about a Great Egret that's a long way from where it was originally captured--plus our usual list of birds banded and recaptured during the period--so please don't forget to scroll down the entire page.

And as a reminder, the final deadline for our 2010 midwinter Neotropical Hummingbird Expeditions is 24 November 2009, so you still have time to join us for an unforgettable experience in countries that in January and February are warm, sunny, and filled with exotic flora and fauna.

Happy Nature Watching!

BILL

=========

RESEARCH PROGRAM
c/o BILL HILTON JR. Executive Director
Hilton Pond Center for Piedmont Natural History
1432 DeVinney Road, York, South Carolina 29745 USA
(803) 684-5852

Please visit our web sites (courtesy of Comporium.net):
Hilton Pond Center for Piedmont Natural History at http://www.hiltonpond.org
"Operation RubyThroat: The Hummingbird Project" at http://www.rubythroat.org

==================

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http://www.geocities.com/RainForest/6549/birdband.htm

Banded Great Egret

2009-11-09T05:31:58Z

I received a photo of a Great Egret near Fort Mill SC with three
bands, two on its left leg and one on the right. Are you aware of
anyone in the Carolinas who is banding this species?

Thanks,

BILL

=========

RESEARCH PROGRAM
c/o BILL HILTON JR. Executive Director
Hilton Pond Center for Piedmont Natural History
1432 DeVinney Road, York, South Carolina 29745 USA
(803) 684-5852

Please visit our web sites (courtesy of Comporium.net):
Hilton Pond Center for Piedmont Natural History at http://www.hiltonpond.org
"Operation RubyThroat: The Hummingbird Project" at http://www.rubythroat.org

==================

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

hypovolaemic trauma

2009-11-07T12:19:24Z

The last time banding, we got a tropical kingbird in the net w
Hi Guy,

The last time banding, we got a tropical kingbird in the net with blood in the bill, and apparently trouble to breath. It wasn't able to fly. We try to keep alive, but finally it pass away. We take the bird to the veterinarian school of UNAM, mexico, to have a diagnostic. The result of the diagnostic is
asphyxi and hypovolaemic trauma..

Somebody Get that before, heard about this trouble in bird in the mistnets??

It's not the first bird that we get with this trauma, and always in Tropical Kingbird.. Somebody have more information??

Let us know...
All the best
Manuelwww.tierradeaves.com

Encuentra las mejores recetas en Yahoo! Cocina.
http://mx.mujer.yahoo.com/cocina/

subscription options and posting rules can be found at the BirdBand web site:
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Metro Beach banding report - Fall 2009 brief summary

2009-11-06T19:51:02Z

Birders and Banders,

I have just posted a brief summary of results of the fall 2009 banding
season at Metro Beach Metro Park, Macomb Co.,
Michigan on my blog.

Go to: http://tinyurl.com/m5vcl2

A detailed report will be posted on my website by the end of December (or
sooner hopefully).

www.amazilia.net/MetroBeachBanding/

Allen T. Chartier
amazilia1(at)comcast.net
Inkster, Michigan, USA

subscription options and posting rules can be found at the BirdBand web site:
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mist net effort

2009-11-04T15:16:39Z

I am preparing a note on my result of banding from the last
Hi folks,

I am preparing a note on my result of banding from the last year, and I would like to compare effort between my station and others stations in North central and South america.

I need to number of birds per hours misnet for the fall 2008 (Agost to November), and spring 2009 (just april and beginning of May).

If you could share your information about that It should be great.

Thanks in advance.

Manuel Grosselet
www.tierradeaves.com

Encuentra las mejores recetas en Yahoo! Cocina.
http://mx.mujer.yahoo.com/cocina/

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Metro Beach banding report - October 28 & 31, 2009

2009-11-01T19:33:42Z

Birders and Banders,

I have just posted results, highlights, and photos from two banding sessions
conducted on October 28 & 31, 2009 at Metro Beach Metro Park, Macomb Co.,
Michigan on my blog. This was the last week of fall banding here for this
year. This blog entry containes one more side-by-side comparison, which has
been popular among regular readers of the blog. A brief summary of the
entire season will be posted at the end of this week, and the full report
will be posted on my website by the end of December (or sooner hopefully).

Go to: http://tinyurl.com/m5vcl2

Allen T. Chartier
amazilia1(at)comcast.net
Inkster, Michigan, USA

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Hilton Pond 10/22/09

2009-10-29T19:23:15Z

"This Week at Hilton Pond" we were admiring all the fall color when a
swarm of insects began rising from the ground just outside our office
window. Upon further examination--and the use of our olfactory nerves--
we determined they were a distinctive species of flying ants just
beginning their fall mating flight. For some close-up looks at the
prospective mates, please see our current photo essay for 22-31
October 2009 at http://www.hiltonpond.org/ThisWeek091022.html

Don't forget to scroll down for a surprisingly diverse list of all
birds banded and recaptured this week and a note about fall migrants.

Happy Autumn Nature Watching!

BILL

=========

RESEARCH PROGRAM
c/o BILL HILTON JR. Executive Director
Hilton Pond Center for Piedmont Natural History
1432 DeVinney Road, York, South Carolina 29745 USA
(803) 684-5852

Please visit our web sites (courtesy of Comporium.net):
Hilton Pond Center for Piedmont Natural History at http://www.hiltonpond.org
"Operation RubyThroat: The Hummingbird Project" at http://www.rubythroat.org

==================

subscription options and posting rules can be found at the BirdBand web site:
http://www.geocities.com/RainForest/6549/birdband.htm

Banding Today

2009-10-24T19:59:55Z

The lousy weather has kept me from banding until today and I was able
to catch some interesting birds. I had 2 warbler species still
present (Orange-crowned and a retrap Yellow-rumped) and 4 Fox
Sparrows. Also caught 2 Golden-crowned Kinglets. Oddest bird of the
day was a Northern Cardinal missing part of it's right leg. Pictures
and totals for the day are at my blog:

http://minnesotabirdnerd.blogspot.com

If the weather holds I will be in Wisconsin tomorrow banding at a
friends house. Hopefully things will still be hanging around there
too.

Roger Everhart
Apple Valley, MN
www.ncbo.org

subscription options and posting rules can be found at the BirdBand web site:
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Metro Beach banding report - October 22, 2009

2009-10-23T17:53:17Z

Birders and Banders,

I have just posted results, highlights, and photos from a banding session
conducted on October 22, 2009 at Metro Beach Metro Park, Macomb Co.,
Michigan on my blog. It was not a very busy day, but interesting
nonetheless. Who would have thought 5 species of warbler could have been
banded this late in October?

Go to: http://tinyurl.com/m5vcl2

Allen T. Chartier
amazilia1(at)comcast.net
Inkster, Michigan, USA

subscription options and posting rules can be found at the BirdBand web site:
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New Zealand ringing

2009-10-23T04:43:29Z

Hi All
My son and subpermittee is in NZ with the University of New Hampshire. He
will have a few weeks in December to travel around and visit a ringing
station or 2. Any New Zealander ringers out there willing to have a visitor
come through? thanks

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Re: Color banded Say's Phoebe: Don Schroeder

2009-10-22T21:44:53Z

Banders,

For the first time, a post of mine on this board has failed to locate a
bander for a photographed bird. The only tip that I got from the post below
was that Don Schroeder, formerly (?) of Santa Barbara might know. But no
contact information.

So, if you don't know of someone who is color banding Say's Phoebes, perhaps
you know how to contact Don?

The phoebe was seen in Desert Center again on the 15th.

John Green

-----Original Message-----
Sent: Friday, October 16, 2009 8:33 PM
Banders,

My photographing friends have been at it again, now with a color banded
Say's Phoebe at Desert Center, CA. If this bird might be yours, please
contact me for photos (taken by Curtis Marantz). It was seen on 8 October
and again on the 10th. Left leg service band bottom, white top; right leg
green bottom, blue top.

John Green

Riverside, CA

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