Early whales gave birth on land, fossil find reveals

Two newly described fossil whales - a pregnant female and a male of the same species - reveal how primitive whales gave birth and provide new insights into how whales made the transition from land to sea. The 47.5 million-year-old fossils, discovered in Pakistan in 2000 and 2004 and studied at the University of Michigan, are described in a paper published 4 February in the online journal PLoS...

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