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Magnificent Frigatebird

The Magnificent Frigatebird (Fregata magnificens) was sometimes previously known as '''Man O'War''', reflecting its rakish lines, speed, and aerial piracy of other birds.

It is widespread in the tropical Atlantic, breeding colonially in trees in Florida, the Caribbean and Cape Verde Islands. It also breeds along the Pacific coast of the Americas from Mexico to Ecuador including the Galapagos Islands.

It has occurred as a vagrant on the Isle of Man in 1998 and in Denmark and Spain. A male was found exhausted at Whitchurch, Shropshire, many miles from the sea, in November 2005. This individual was taken to Chester Zoo but died a few days later.

A vagrant juvenile was rescued by a Bird Rescue Center volunteer from a tree in Healdsburg, California, after a winter storm in January 2008. The emaciated bird was transferred to the International Bird Rescue Research Center in Cordelia. It was reported to be the first of its species to be treated in the Bay Area during IBRRC's 37-year history, although another Magnificent Frigatebird was successfully rehabilitated at the Los Angeles Oiled Bird Care and Education Center, which is managed by IBRRC, during the late winter and spring of 2004. That bird originally came into care in Vancouver, British Columbia. The bird, also a juvenile, had landed on a freight ship in the mid-Pacific and was brought into port.

The Magnificent Frigatebird is 100 cm (39 inches) long with a 215 cm (85 inch) wingspan. Males are all black with a scarlet throat pouch which is inflated like a balloon in the breeding season. Although the feathers are black, the scapular feathers are iridescent and produce a purple colour when they refract sunlight. Females are black, but have a white breast and lower neck sides, a brown band on the wings and a blue eye ring. Immature birds have a white head and underparts.

This species is very similar to the other frigatebirds and is similarly sized to all but the Lesser Frigatebird. However, it lacks a white axillary spur, and juveniles show a distinctive diamond-shaped belly patch.

The Magnificent Frigatebird is silent in flight, but makes various rattling sounds at its nest.

This species feeds mainly on fish, and also attacks other seabirds to force them to disgorge their meal. Frigatebirds never land on water, and always take their food items in flight.


Database entry includes justification for why this species is of least concern

Harrison, Peter: Seabirds: An Identification Guide by ISBN

Hilty: Birds of Venezuela ISBN

Stiles and Skutch: A guide to the birds of Costa Rica ISBN

External links

Magnificent Frigatebird videos on the Internet Bird Collection

International Bird Rescue Research Center

The Bird Rescue Center, a wild bird rehabilitation center.

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Magnificent Frigatebird

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