evolutionary

Name: Hoatzin (Opisthocomus hoazin) Where it lives: Amazon and Orinoco river basins in South America What it eats: Leaves, fruits…

Making sure this bird is a swallow and not a swift is tough because they look so similar Klein &…

Claudia Winkleman, host of The Traitors BBC / Studio Lambert Hoods up, torches lit, knives sharpened: viewers across the UK…

Chimpanzees tend to pee when others in their group do, in a phenomenon scientists have dubbed “contagious urination.” Because groups…