Cuttlefish have W-shaped pupils that allow them to see behind themselves without turning their heads.

Some birds migrate thousands of miles each year.

Fact #77 · Animals

A chimpanzee can use tools to solve problems.

Fact #508 · Animals

A horned lizard can squirt blood from its eyes as a defense.

Fact #538 · Animals

Some species of birds form lifelong pair bonds.

Fact #537 · Animals

A wolf can travel dozens of miles in a single day.

Fact #545 · Animals

Some species of sharks must keep moving to breathe.

Fact #284 · Animals

A falcon can dive at extraordinary speeds.

Fact #520 · Animals

Some species of crabs can regenerate lost claws.

Fact #396 · Animals