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Marine mammals, the largest known animals to have ever existed.
Many freshwater fishes are also popular as food.
The characteristic colours of the common kingfisher aid the bird in catching its prey.
An extinct group of Cephalopoda, with solid external skeletons. They are excellent index...
This video explains why the Barbary sheep on the savannahs bear such a strong resemblance to goats.
Deinonychus antirrhopus, the 'terrible claw', was a carnivorous dromaeosaurid dinosaur.
The poisonous bite of the Chilean recluse spider poses a serious threat to human health.
The European pond turtle can be found in swamp areas and on banks of shallow lakes.