Ascension Frigatebird, Southeast Bay  This is a juvenile. Both male and female adults have a dark head. See: Walbridge, Grahame; Small, Brian; McGowan, Robert Y (2003). "<a rel="nofollow" class="external text" href="http://www.bbrc.org.uk/download/Ascension_Frigatebird_on_Tiree_new_to_the_Western_Palearctic.pdf">From the Rarities Committee’s files: Ascension Frigatebird on Tiree – new to the Western Palearctic</a>". British Birds 96 (2): 58–73. Females have a brown breast-band and sometimes a white belly.
<a href="//www.flickr.com/people/33590535@N06" class="extiw" title="flickruser:33590535@N06">Drew Avery</a>
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