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The gadfly petrels or Pterodroma are a genus of about 35 species of petrels, part of the seabird order Procellariiformes. The gadfly petrels are named for their speedy weaving flight, as if evading gadflies ( horseflies ).
The Fiji petrel (Pseudobulweria macgillivrayi), also known as MacGillivray's petrel, is a small, dark gadfly petrel. The Fiji petrel was originally known from one immature specimen found in 1855 on Gau Island, Fiji by naturalist John MacGillivray on board HMS Herald who took the carcass to the British Museum in London. It was rediscovered in ...
Incubation duties are shared by both sexes in shifts that vary in length between species, individuals and the stage of incubation. The longest recorded shift was 29 days by a Murphy's petrel from Henderson Island; the typical length of a gadfly petrel stint is between 13 and 19 days. Fulmarine petrels, shearwaters and prions tend to have ...
This is a list of the birds that belong to the group gadfly petrels.They are all from the genus Pterodroma and belong to the family Procellariidae.. Pterodroma macroptera, great-winged petrel, breeds and ranges on islands of the southern oceans [1]
Here, the hooked bill and external tubular nostrils are also found in the Galápagos petrel. [6] The Galápagos petrel is one of the 35 species of gadfly petrels within the family Procellariidae and order Procellariiformes. [6] This is one of the most primitive bird orders, and all of its members are collectively referred to as "petrels". [6]
Cook's petrel (Pterodroma cookii), or the tītī or blue-footed petrel, [2] is a Procellariform seabird. It is a member of the gadfly petrels and part of the subgenus Cookilaria Bonaparte, 1856, which includes the very similar Stejneger's petrel .
The Juan Fernández petrel (Pterodroma externa) is a species of seabird in the family Procellariidae. It nests on a single island off the coast of Chile, in the Juan Fernández Archipelago . It was previously classified as a subspecies of the white-necked petrel ( Pterodroma cervicalis ), which is found in tropical waters of the Pacific and ...
The mottled petrel (Pterodroma inexpectata) or kōrure is a species of seabird and a member of the gadfly petrels. It usually attains 33 to 35 cm (13–14 in) in length with a 74 to 82 cm (29–32 in) wingspan. This species is highly pelagic, rarely approaching land, except to nest and rear young.