The 66th Supplement to the American Ornithological Society's (AOS) Check-list of North American Birds, published in Ornithology, includes several significant updates to the classification of bird ...

Researchers don't often turn to the general public for help with scientific studies. However, for scientists seeking to better understand the dietary habits of two hawk species, involving citizen ...

Scientists have observed dramatic changes in the migration patterns of red-tailed hawks as rising global temperatures and increased urbanization have prompted the birds to adapt. Red-tailed hawks in ...