An ostrich’s eye is bigger than its brain.
Bats always exit a cave to the left.
Domestic cats kill an estimated one billion wild birds each year in the USA.
Tigers have striped skin, not just striped fur.
The blue whale’s whistle is the loudest noise made by an animal.
The heart of a giraffe weighs more than 25 lb (11 kg), is 2 ft (60 cm) wide, and has walls 3 in (7.5 cm) thick.
Camels have three eyelids to protect their eyes from blown sand.
A mole can dig a tunnel over 300 ft (90 m) long in just one night.
Elephants are not afraid of mice.
Slugs have four noses.