Photo: Whales Evolved From Tiny Deerlike Mammals, Study Says



Two Indohyus—ancient hoofed mammals that lived 48 million years ago—stand by the water's edge in what is now India in an artist's reconstruction.

The tiny deerlike creatures are the long-sought "missing link" in the history of whale evolution, suggests a new study of Indohyus fossils.

Picture by Jacqueline Dillard


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