petrel de beck Pterodroma Pseudobulweria becki Murphy 1928 Le Pe trel de Beck Pterodroma becki est une petite espe ce de pe trel
petrel de beck Pterodroma Pseudobulweria becki Murphy 1928 Le Pe trel de Beck Pterodroma becki est une petite espe ce de pe trel re cemment rede couvert apre s 79 ans sans aucune observation Son nom normalise rend hommage a Rollo Beck Il e tait autrefois classe dans le genre Pseudobulweria dont toutes les espe ces ont e te inte gre es au genre Pterodroma this species has not been recorded since 1929 and it may have declined severely from depredation by introduced cats and rats on its breeding grounds which are unknown However it probably remains extant because there have been a number of recent records of up to 250 individuals of the very similar Tahiti Petrel P rostrata in the Bismarck Archipelago and Solomon Islands which may refer to this species Furthermore petrels that are nocturnal at the nesting grounds are notoriously difficult to detect and there are numerous possible breeding sites on isolated atolls and islands that require surveying Any remaining population may be tiny and for these reasons it is treated as Critically Endangered
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