Planaria gonocephala

One of the most common types of flatworms.

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Stegosaurus

A type of prehistoric reptile having bony plates on its back, which aided thermoregulation.

European ground squirrel

Subterranean rodents widespread in Central- and Eastern Europe.

Freshwater fishes

Many freshwater fishes are also popular as food.

The African penguin

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Tiktaalik

A transitional form between fish and tetrapods, or four-limbed vertebrates.

The California kingsnake

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Domestic dog

Dogs are the domesticated subspecies of grey wolves.

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