Liz that’s a great question that I’ve wondered about myself. Hope answers/guesses get posted here. Starlings aren’t even related.
Linda Orkin Ithaca > On Mar 13, 2021, at 11:58 AM, Liz Brown <e...@cornell.edu> wrote: > > > Here's something I wonder about every spring, when the big mixed flocks of > grackles, blackbirds, cowbirds, and starlings show up: > > Why do all our black passerines (with the exception of crows and ravens) hang > out together? There aren't any small black birds who DON'T join these big > flocks, are there? > Or, to flip the question around - why are these birds all black? > > -Liz > -- > Cayugabirds-L List Info: > Welcome and Basics > Rules and Information > Subscribe, Configuration and Leave > Archives: > The Mail Archive > Surfbirds > BirdingOnThe.Net > Please submit your observations to 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/ --
