Manx Shearwaters
10,000 Birds
APRIL 30, 2011
Each year 120,000 birds visit the island to breed from March through August in burrows that riddle the landscape. A pair of birds in a nesting burrow share the parental responsiblities and change shifts under the cover of darkness. After mating, a single egg is laid and incubation duties are shared by both parents.
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