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Audubon's Shearwater (Puffinus lherminieri)
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Recently
fledged juvenile with extensive white undertail coverts at Vessup Bay,
St. Thomas, 13 June 2003. Photos © by Floyd Hayes. Audubon's Shearwater
typically has dark undertail coverts but a minority of individuals with
white undertail coverts resemble Manx Shearwater (P. puffinus).
The latter typically has paler primaries on underwing and a notably
shorter tail (less black is visible in the underparts) and is not
known to nest in the Caribbean.
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Adult
with extensive white undertail coverts captured at nesting burrow on
Green Cay, north of San Salvador Island, Bahamas, May 1994. Photo © by
William Hayes.
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