Mammals

An Ancient Creature Who Could See in The Dark Lies Hidden in The Eyes of Whales

The first mammals to return to the sea, more than 35 million years ago, had eyes for the deep. According to new research, the visual systems of modern whales, dolphins, and porpoises – collectively known as cetaceans – all derive from a common ancestor with powerful underwater vision.   Both whales and hippos are thought …

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Scientists Study Inner Ear to Determine Beginnings of Mammals

Mammals can produce their own body heat and control their body temperatures. This process is known as endothermy or warm-bloodedness. Scientists believe that it may be the reason why mammals likely rule almost every ecosystem. Warm-blooded mammals are more active than cold-blooded animals. They can live in different environments, from the frozen arctic to the …

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