New research by scientists at the American Museum of Natural History and the University of Nebraska-Lincoln reports, for the ...
Bird Mimicry Bird that mimic other birds are the cover artists of the bird world, borrowing sounds and tunes from other birds to use as their own. Some mimicry bird species—mockingbirds, thrashers and ...
Q: The amount of effort that goes into a Christmas Bird Count varies quite a bit across years and count circles. How do you deal with this issue when you calculate abundance trends? How do you know ...