On some Caribbean islands, the oysters can climb trees.
58
The energy of a discharge of an electric eel could start 50 cars.
53
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Termites eat wood twice as fast when listening to heavy metal music.
116
The lifespan of mammals is about 1 and a half billion heartbeats.
127
Humans and dolphins are the only species that have sex for pleasure.
61