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Bird Identification Q&A
Hippolais for ID, Flamborough, UK
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<blockquote data-quote="CAU" data-source="post: 1290224" data-attributes="member: 55324"><p>A very indistinct but present supercilium doesn't exclude Garden Warbler. Here's one with a faint supercilium above the eye:</p><p><a href="http://www.pbase.com/dophoto/image/85811346" target="_blank">http://www.pbase.com/dophoto/image/85811346</a></p><p>Here's one with the supercilium being located in front of the eye:</p><p><a href="http://www.biolib.cz/IMG/GAL/7766.jpg" target="_blank">http://www.biolib.cz/IMG/GAL/7766.jpg</a></p><p></p><p>A Booted Warbler is clearly smaller and skinnier than a Garden Warbler, of course, but there are many field marks that are more "concrete". Did you see the length of the primary projection? Did the bird have a dark edge above the supercilium? What colour were the tertials? As mentioned, Garden Warbler has often pale crescent-shaped tips on the tertials, whereas Booted Warbler has pale edges on the tertials, which are often narrowest at the tip:</p><p><a href="http://www.birdguides.com/pictures/default.asp?f=15818&r=0&st=0&v=0&q=" target="_blank">http://www.birdguides.com/pictures/default.asp?f=15818&r=0&st=0&v=0&q=</a></p><p>How long was the longest tertial in relation to the secondaries? Did it have darker toes than tarsi? Did the edges of the secondaries form a paler wing panel? Are there any pictures showing these details?</p><p></p><p></p><p></p><p>I agree, I'm personally confident that it isn't any Phylloscopus. Look at those buffy flanks! Here's a pretty similarly coloured Booted Warbler:</p><p><a href="http://www.birdguides.com/pictures/default.asp?v=1&f=121828&r=0&st=0&q=" target="_blank">http://www.birdguides.com/pictures/default.asp?v=1&f=121828&r=0&st=0&q=</a></p><p></p><p> </p><p></p><p>I agree with this, but separating Booted, Sykes's and Olivaceous isn't too trivial. Did you see what colour the tip of the lower mandible was?</p></blockquote><p></p>
[QUOTE="CAU, post: 1290224, member: 55324"] A very indistinct but present supercilium doesn't exclude Garden Warbler. Here's one with a faint supercilium above the eye: [url]http://www.pbase.com/dophoto/image/85811346[/url] Here's one with the supercilium being located in front of the eye: [url]http://www.biolib.cz/IMG/GAL/7766.jpg[/url] A Booted Warbler is clearly smaller and skinnier than a Garden Warbler, of course, but there are many field marks that are more "concrete". Did you see the length of the primary projection? Did the bird have a dark edge above the supercilium? What colour were the tertials? As mentioned, Garden Warbler has often pale crescent-shaped tips on the tertials, whereas Booted Warbler has pale edges on the tertials, which are often narrowest at the tip: [url]http://www.birdguides.com/pictures/default.asp?f=15818&r=0&st=0&v=0&q=[/url] How long was the longest tertial in relation to the secondaries? Did it have darker toes than tarsi? Did the edges of the secondaries form a paler wing panel? Are there any pictures showing these details? I agree, I'm personally confident that it isn't any Phylloscopus. Look at those buffy flanks! Here's a pretty similarly coloured Booted Warbler: [url]http://www.birdguides.com/pictures/default.asp?v=1&f=121828&r=0&st=0&q=[/url] I agree with this, but separating Booted, Sykes's and Olivaceous isn't too trivial. Did you see what colour the tip of the lower mandible was? [/QUOTE]
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Bird Identification Q&A
Hippolais for ID, Flamborough, UK
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