The link for the lumpy warbler photo isn't working (thanks, Fritzie!) sohere's <http://www.avibirds.com/html/Hooded_Warbler.html> one that does, and here's <http://1.bp.blogspot.com/-TCWSQn8YsY8/UALj6WpH8kI/AAAAAAAAAxA/nRUwfdn2pP8/s1600/BP+Hooded+Warbler+E.jpg> another!
On 5/14/2013 9:03 PM, Alicia Plotkin wrote: > Hi, > > Many hooded warblers are sleek little birds, looking much like this > <http://www.greglasley.net/hoodedwarbler.html>. > > A couple days ago, I was watching the local male signing, and he had a > distinct hump on his back, like this > <http://www.lilibirds.com/gallery2/v/warblers/hooded+warbler_001/hooded+warbler+2.jpg.ht> > > only even a bit more pronounced. It was a warm day, before the > weather turned, so there was no thermal reason for him to be fluffing > out his back feathers, and it seemed no different in size during or > between bursts of song. Photos on the internet show some other males > with similar bumps or humps, and some without. > > So does anyone know what's with the hump? Is this a fat deposit? > (This male has been back on territory since May 5th, but I don't know > how long it would take him to replenish fat reserves, or if there > would be a concentration of fat on his back.) > > Alicia > > > -- > *Cayugabirds-L List Info:* > Welcome and Basics <http://www.northeastbirding.com/CayugabirdsWELCOME> > Rules and Information <http://www.northeastbirding.com/CayugabirdsRULES> > Subscribe, Configuration and Leave > <http://www.northeastbirding.com/CayugabirdsSubscribeConfigurationLeave.htm> > *Archives:* > The Mail Archive > <http://www.mail-archive.com/cayugabirds-l@cornell.edu/maillist.html> > Surfbirds <http://www.surfbirds.com/birdingmail/Group/Cayugabirds> > BirdingOnThe.Net <http://birdingonthe.net/mailinglists/CAYU.html> > *Please submit your observations to eBird > <http://ebird.org/content/ebird/>!* > -- -- Cayugabirds-L List Info: http://www.NortheastBirding.com/CayugabirdsWELCOME http://www.NortheastBirding.com/CayugabirdsRULES http://www.NortheastBirding.com/CayugabirdsSubscribeConfigurationLeave.htm ARCHIVES: 1) http://www.mail-archive.com/cayugabirds-l@cornell.edu/maillist.html 2) http://www.surfbirds.com/birdingmail/Group/Cayugabirds 3) http://birdingonthe.net/mailinglists/CAYU.html Please submit your observations to eBird: http://ebird.org/content/ebird/ --
