THE indigenous fauna of South Africa was, a century ago, richer in genera and species than that in any other part of the globe. To-day the mammals have largely disappeared, — ruthlessly obliterated, — ...
Like other vipers, puff adder skulls have hinged jaws that deploy the fangs when the animal opens its mouth to strike. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...
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