Hello tweeties,

yesterday's mystery bird was a male Canvasback, Aythya valisineria;

http://scienceblogs.com/grrlscientist/2008/10/todays_mystery_bird_for_you_to_30.php

it includes an entertaining analysis by Rick Wright to help walk you through identifying this and other similar species.

here's today's mystery bird for you to identify;

http://scienceblogs.com/grrlscientist/2008/10/todays_mystery_bird_for_you_to_22.php

if you wish to review all (20 so far) of the previous mystery birds (images courtesy of Joseph Kennedy and Rick Wright) that are accompanied by Rick Wright's analyses, please refer to this subindex link;

http://scienceblogs.com/grrlscientist/bird_id_quiz/

cheers,

GrrlScientist
Devorah
http://scienceblogs.com/grrlscientist/
Roosting high up a tree somewhere in Central Park, NYC