All about alcids: Extravagant divers of northern oceans
10,000 Birds
AUGUST 10, 2014
They gradually spread to the Atlantic Ocean by way of the southern coast of North America (before it was joined to South America) and gained the ability to pursue prey by diving in cool waters (see Pereira and Baker 2008 ). They’re also more vulnerable to attack from large cold-blooded predators like sharks.
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