From the Book - First edition.
Why do camels have a hump?
Why do bats hang upside down?
Why do aye-ayes have a long, thin middle finger?
Why do zebras have stripes?
Why do flamingos stand on one leg?
Why do spotted skunks do handstands?
Why do hippos swish their tail when they poop?
Why do giraffes have a long neck?
Why are naked mole rats naked?
Why do giant squid have huge eyes?
Why do chameleons have a long tongue?
Why do male proboscis monkeys have a big nose?
Why do red-eyed tree frogs have big red eyes?
Why are polar bears white?
Why do wombats have cube-shaped poop?
Why do hatchetfsh have lights on their belly?
Why do narwhals have a tusk?
Why do African elephants have big ears?