Pycroft’s Petrel for Australia?

Please note that Rogers link is slightly incorrect

Try this one: http://www.aviceda.org/abid/newimages.php?action=latestimages&p=1&pagesize=1

Tom

On Tue, Dec 28, 2010 at 3:18 PM, Roger McNeill wrote:

> All, > > Back in Oct a Jack Shick took a photo of a cookilara taken off Lord Howe on > the > way to Ball’s Pyramid. At the time he thought it might have been a > Gould’s. I > was sent a copy by a friend who thought it may be something else…I > believe it > to be a Pycroft’s. > While living in NZ I spent a fair bit of time trying to suss out the > differences > between Cook’s and Pycroft’s and this bird is a very strong candidate for > the > latter. I have seen about a hundred Pycroft’s and many hundred Cooks and > it has > all the indicative features that I am familiar with for Pycroft. There are > many > that say these two species can’t be separated at sea but I believe that > there is > a bit of sliding scale with individuals on the far end being distinctive > and not > too difficult to separate. > Because this would be a significant record for AU let me toss it into the > public > forum for debate. I am in no way an expert but a few mates and I came up > with > some rules of thumb that were good ways to separate the two. Of these, the > features which stand out to me are: > 1. Strong dark grey hood and distinct eye-line > 2. Deep, thick and distinct mark under the eye which is greater > behind > than in front of the eye > 3. Unbroken underwing carpal bar > 4. And most distinctive which I have never seen published anywhere is > a > slight extension of the central tail feathers on Pycroft’s vs Cooks. > I have asked Tom Tarrant to post this for me at the Australasian Bird Image > Data > Base. Please find the image at the following link: > > http://www.aviceda.org/abid/newimages.php?action=latestimages&p=1&pagesize=1 > Cheers,Roger > > > Roger McNeill > Samford Valley, SEQ > > > > > To unsubscribe from this mailing list, > send the message: > unsubscribe > (in the body of the message, with no Subject line) > to: birding-aus-request@vicnet.net.au > > http://birding-aus.org >

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