The anatomy of annelids is demonstrated through the example of the common earthworm.
Moles are small subterranean mammals with modified, spade-like forelegs.
Otters are semi-aquatic predatory mammals.
Foresters adjusted their lifestyle to the forest environment.
The Northern white-breasted hedgehog rolls into a ball to protect itself.
A mammal with features typical of reptiles: it lays eggs and has a cloaca.
The dentition of different species of mammals reflect their feeding habits.
Large, extinct species of cats named after the shape of their large canine teeth.