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| | Reference.com/Encyclopedia/Frigatebird |
 | | Frigatebirds are large, with iridescent fl feathers (the females have a white underbelly), with long wings (male wingspan can reach 2.3 metres) and deeply-forked tails. |
 | | As members of Pelecaniformes, frigatebirds have the key characteristics of all four toes being connected by the web, a gular sac (also called gular skin), and a furcula that is fused to the breastbone. |
 | | Frigatebirds often rob other seabirds such boobies, tropicbirds, and shearwaters of their catch, using their speed and manoeuvrability to outrun and harass their victims until they regurgitate their stomach contents. |
| www.reference.com /browse/wiki/Frigatebird (534 words) |
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