Ancient whales had four legs, and split their time between land and sea


Whales belong in the ocean, right? That may be true today, but
cetaceans (whales, dolphins, porpoises) actually descended from
four legged mammals that once lived on land. New research published
in Current Biology reports the discovery in Peru of an entirely new
species of ancestral whale that straddled land and sea, providing
insight into the weird evolutionary journey of our mammalian
friends. We might think of them as smooth, two-flippered ocean
swimmers that struggle to even survive the Thames, but whales
originated more than 50m years ago from artiodactyls –
land-dwelling, hooved mammals. Initially, whales’ ancestors
resembled small deer, with…


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Source: FS – All Tech News
Ancient whales had four legs, and split their time between land and sea