Goose
A goose is a large water bird; its plural is geese, its male is a gander, and its opinion of you is low.
Moth
A moth is a butterfly that works nights, and has devoted its whole life to a lamp that will never love it back.
Earthworm
The earthworm has no eyes, legs or bones, and is widely considered to be getting on fine without them.
Tortoise
A tortoise lives inside its own house and has never once been late home.
Hedgehog
The hedgehog is a small mammal that is, according to a careful audit, 0% hedge and 0% hog.
Snail
A snail carries its house on its back everywhere it goes, and has never once been locked out.
Squirrel
Grey squirrels pretend to bury nuts when they think they’re being watched, to fool thieves.
Squid
The giant squid has eyes the size of dinner plates, among the largest of any animal.
Shark
Sharks have existed for over 400 million years, which means they are older than trees.
Red panda
The red panda was called a panda first; the giant panda borrowed the name decades later.