A young antelope was being dragged into the river by a crocodile. A nearby hippopotamus saw what was happening and charged the crocodile; the crocodile released the antelope and swam away. The hippo gently pulled the antelope up the riverbank. Was the hippopotamus showing compassion?Bison in Alaska have been observed taking turns running down a hill, and then sliding across the frozen lake at the base of the hill, spinning around and around. Then they climb up the hill and do it again! Are the bison feeling joy?This collection of true animal stories, witnessed by naturalists and others, is both heartwarming and thought-provoking. Do animals merely follow instinct? Or do animals have feelings too?