Pelicans have large pouch-like beaks. Why?

Hawks have hook-like beaks. Why?

Camels have tough, hairy, rubbery lips. Why?

Echidna's have long sticky tongues. Why?

A shark's teeth point backwards into the back of it's mouth. Why?

Butterflies have a long tongue that they can uncoil. Why?

A goose has tooth-like bits on it's tongue. Why?

On average, sharks have 15 rows of teeth in each jaw. Why?

Cheetahs have long sharp incisors at the front of their mouths - why?

Asian elephants have molars which glue together to form one large tooth. They produce six sets of molar teeth throughout their lifetime. These teeth grow in from the back of the jaw - why?

Mosquitos have long, hollow needle-like mouth parts. Why?

This grass-eating baboon can curl back it's gums to show it's terrifying fangs. Why?

Hummingbirds can have very long, thin beaks. Why?