Dogs can smell human emotions by detecting chemical changes in sweat.

Blue whales are the largest animals known to have ever lived.

Fact #246 · Animals

Some insects can lift many times their body weight.

Fact #213 · Animals

Some lizards can detach their tails to escape predators.

Fact #509 · Animals

Elephants have one of the longest gestation periods of any land animal.

Fact #386 · Animals

A sea otter uses its chest as a surface for cracking shells.

Fact #530 · Animals

Some species of turtles can breathe through their cloaca underwater.

Fact #365 · Animals

Some species of frogs can survive being partially dehydrated.

Fact #444 · Animals

Some frogs can survive being frozen during winter.

Fact #24 · Animals