Research suggests behaviour may reflect evolutionary response to previous outbreaks of disease
Aerial surveys of the North Sea have revealed that seals practise social distancing – and the discovery may have profound implications for the spread of disease among the marine mammals.
In a paper published today by the Royal Society, researchers conducting censuses of grey and harbour seals detail new evidence that the two species not only maintain distances between their own kind (unlike walruses, for instance, who cluster close together) but also that this behaviour may “reflect an evolutionary response to viral susceptibility”.
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