Mammalia
Mammals are a group of animals (of the class Mammalia) found throughout the world. Even in regions where the most extreme climatic conditions exist, there are likely to be mammals. Seals, wal...
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Mammals
The more than 4,000 species of living mammals belong to the vertebrate class Mammalia. This diverse group of animals has certain common features: all have four legs, bodies covered by hair, a ...
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