tag:blogger.com,1999:blog-6321070.post4084057866205375435..comments2024-02-27T11:26:39.655-07:00Comments on Southern Rockies Nature Blog: Solving the Hummingbird's 'Chirp'Chas S. Cliftonhttp://www.blogger.com/profile/00923547685265741325noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6321070.post-78279868839093764232008-02-07T09:22:00.000-07:002008-02-07T09:22:00.000-07:00Nighthawks (which of course are not hawks) "boom" ...Nighthawks (which of course are not hawks) "boom" with their feathers when courting. Snipe and woodcock also sing with their wing feathers during courtship.Steve Bodiohttps://www.blogger.com/profile/14434597061701369867noreply@blogger.com