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How elephants got their ears
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Auckland, New Zealand (New Zealand Herald): How the elephant got its ears has just become a more complicated story thanks to the discovery of a fossilised shrew-like animal that lived 115 million years ago. It was once thought that all mammals - from kangaroos to whales - developed the tiny auditory bones of the middle ear just once in their common evolutionary history. But a fossil jawbone of a primitive mammal that lived in Australia suggests that the middle-ear bones - which allow animals as diverse as shrews and humans to hear sounds - evolved independently at least twice
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www.nzherald.co.nz/index.cfm?c_id=5&ObjectID=10010866
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