Abbott's booby (Papasula abbotti)

Abbott's booby is a large slender-bodied, black-and-white seabird. The head, neck and underparts are white whilst the black upperwing has white flecking and a narrow white leading edge (4). The white lower back and rump are blotched with black and the pointed tail is also black (5). In juveniles the wing and tail are brown in colour (2). In males the bill is a vivid blue-grey, tipped with black (5), whereas in the female it is pink and also tipped with black (5). Both sexes have deep grey legs and feet (4).

quoted from : http://www.arkive.org/abbotts-booby/papasula-abbotti/#text=Description

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