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This animation demonstrates birds' bones and eggs through the example of the common...
A species of snake widespread in Europe and Asia.
King of the savannahs, the lion is at top of its food chain. Its only enemy is man.
The best known cartilaginous fish, sharks, do not chew their food; they use their razor-sharp...
There are some species in the animal kingdom that do just fine with a single meal a month or...
The Northern white-breasted hedgehog rolls into a ball, using its spines to protect itself.
Living fossil, important stage in the evolution of tetrapods.
Large carnivores, perhaps the best known of dinosaurs.