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Birds

Masked boobies

In 1965, scientists from the Smithsonian Institution reported only four species of nesting seabirds at Baker Island. Today 11 species nest on the island including boobies, frigatebirds, and almost 1 million pairs of sooty terns.

  • Brown Booby

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    Makes its nest on a mound of branches, bones, grass, human-generated trash, or other items. 

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  • Masked Booby

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    Although the masked booby regularly lays two eggs, it never raises two young. The first egg is laid four to nine days before the second, and the older chick always ejects the second from the nest 

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  • Red-footed Booby

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    Makes its nest on a large open platform of twigs, lined with grasses or leafy matter, placed in small tree or shrub.

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  • Great Frigatebird

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    Perhaps the most striking feature of frigatebirds is the male's red throat pouch, which the male inflates into a large red balloon during courtship displays.

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  • Lesser Frigatebird

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    Courtship display also involves a variety of calls, bill rattling and spreading of the wings. 

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  • Blue Noddy

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    Because if its small gape, this noddy is restricted to feeding on tiny fish, squid, sea-skaters and small crustaceans. 

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  • Brown Noddy

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    The largest member of the noddy family; they weigh twice as much as black noddies. Chicks reach adult weight in 18 days. Most chicks outweigh parents in six weeks.  

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  • Gray-backed Tern

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    Nests are constructed in a variety of habitats (e.g., rocky ledges, open, sandy beaches) but usually at the base of shrubs or refuse. 

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  • Sooty Tern

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    Nest in large, dense colonies consisting of thousands to a million pairs of terns. Nests are shallow scrapes often lined with bits of shell or vegetation.  

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  • White Tern

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    Famous for laying its egg on a rock, a rock ledge, or a bare branch rather than in a nest. An egg laid in an exposed and precarious place results in a chick that must cling to the perch.  

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  • Red-tailed Tropicbird

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    Nests are placed on the ground, and generally are a simple scrape lined with some vegetation.

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  • Bristle-thighed Curlew

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    Curlews nest on the ground in a simple, bare depression lined with vegetation.

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  • Pacific Golden Plover

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    Breeds on Arctic tundra, especially in vegetation in low areas with few rocks. A nest cup is a shallow depression filled with lichens and moss.

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  • Wandering Tattler

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    The nest is a simple ground-depression (scrape) wallowed out between small stones. Scantily lined with willow rootlets, dry leaves and twigs. 

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  • Ruddy Turnstone

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    The male makes nest-like scrapes in the ground, lined with some vegetation, often close to the final site selected by the female.  

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Page Photo Credits — USFWS
Last Updated: Sep 04, 2013
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