Ben Hoare discovers the extraordinary birds that defy nature’s norms – from hibernation to one that behaves like a cow.

Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with elaborate color patterns – from the iridescent plumage of many hummingbirds to ...

Fossils found in Niger belong to a newly identified Spinosaurus species that had a dramatic skull crest and likely hunted fish by wading, researchers reported.

Discover why bison are unique to America’s grasslands and how WWF is working to restore large herds across the Northern Great ...