Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, hummingbirds hover at flowers, penguins slice through cold seas, and eagles ...

Research led by UC Santa Cruz finds that both non-native and native birds play a key role in the transmission of a disease ...

Populations decreased even in the least disturbed regions, sparking concern about the broader effects of human activity and ...

The capercaillie was once more widely spread across the UK but is now confined to native pinewood forests of Scotland.