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The Bermuda petrel (Pterodroma cahow) is a gadfly petrel. Commonly known in Bermuda as the cahow, a name derived from its eerie cries, this nocturnal ground-nesting seabird is the national bird of Bermuda, pictured on Bermudian currency. Bermuda petrels are the second rarest seabird on the planet.
One endemic species is the Bermuda petrel or cahow (Pterodroma cahow), which was thought to have been extinct since the 1620s. Its ground-nesting habitats had been severely disrupted by introduced species and colonists had killed the birds for food.
Pterodroma lessonii, white-headed petrel breeds on islands in the south Indian Ocean and south Pacific Ocean [1] Pterodroma inexpectata, mottled petrel breeds on Stewart Island, Snares Islands, and southwestern South Island [1] Pterodroma cahow, Bermuda petrel breeds on Nonsuch Island; ranges along the Gulf Stream [1]
The avifauna of Bermuda include 408 species, according to the Bermuda Audubon Society (BAS), with some additions from Clements taxonomy, as of July 2022. [1]The 387 species is a remarkable number considering that the island is a mere 53.3 square kilometres.
Desertas petrel, Pterodroma deserta (disputed) – Atlantic Ocean; Bermuda petrel, Pterodroma cahow – northwest Atlantic Ocean; Black-capped petrel, Pterodroma hasitata – Atlantic Ocean: Cuba and Hispaniola to Martinique; Jamaican petrel, Pterodroma caribbaea (possibly extinct) – Atlantic Ocean: Jamaica
Zino's petrel, Pterodroma madeira EN; Fea's petrel, Pterodroma feae NT; Desertas petrel, Pterodroma deserta VU; Bermuda petrel, Pterodroma cahow EN; Black-capped petrel, Pterodroma hasitata EN; Jamaican petrel, Pterodroma caribbaea CR; Juan Fernandez petrel, Pterodroma externa VU; Vanuatu petrel, Pterodroma occulta (P. cervicalis: VU)
Based on Austin (1996), Bretagnolle et al. (1998), Nunn & Stanley (1998) and Brooke (2004), several changes have been made from the more traditional taxonomy. The two species in the genus Bulweria are no longer considered close to the rest of the gadfly petrels; several more gadfly petrels are removed from Pterodroma and placed in Pseudobulweria (allied to the shearwaters), and the Kerguelen ...
The hunting pressure on the Bermuda petrel, or cahow, was so intense that the species nearly became extinct and did go missing for 300 years. The name of one species, the providence petrel , is derived from its (seemingly) miraculous arrival on Norfolk Island , where it provided a windfall for starving European settlers; [ 85 ] within ten years ...