Grass snake

A type of snake with a characteristic spot on its neck.

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Saber-toothed cat

Large, extinct species of cats named after the shape of their large canine teeth.

Saker falcon

The saker falcon is a large bird of prey widespread in Europe and and Asia.

Eastern gray kangaroo

One of the largest marsupials.


An extinct group of Cephalopoda, with solid external skeletons. They are excellent index...


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Fat-tailed scorpion

The fat-tailed scorpion is one of the world's most dangerous scorpions.

Amoeba proteus

Widespread heterotrophic unicellular organisms with constantly changing shapes

Stag beetle

With the example of the stag beetle we demonstrate how insects' muscles function, how...

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