gadfly petrel造句

• The gadfly petrels are named for their speedy weaving flight, as if evading horseflies.
• Dipping down from flight is most commonly used by the gadfly petrels and the storm petrels.
• The "'gadfly petrels "'are seabirds in the bird order Procellariiformes.
• The gadfly petrels in the genus " Pterodroma " are seabirds of temperate and tropical oceans.
• The exceptions are the huge albatrosses, several of the gadfly petrels and shearwaters and the fulmar-petrels.
• The diving petrels are a clade, but within a larger clade of true petrels that also contains the gadfly petrels.
• It is a member of the gadfly petrels and part of the subgroup known as Cookilaria petrels, which includes the very similar Stejneger's petrel.
• Among the surface feeders some, principally the gadfly petrels, can obtain food by dipping from flight, while most of the rest feed while sitting on the water.
• In 2015, the Imber's petrel ( " Pterodroma imberi " ), a newly described extinct gadfly petrel from the Chatham Islands was named in his honour.
• They thus represent either a plesiomorphic lineage still sharing some traits of the ancestral Procellariidae with the gadfly petrels, or convergent evolution of a shearwater to the ecological niche of gadfly petrels.
• They thus represent either a plesiomorphic lineage still sharing some traits of the ancestral Procellariidae with the gadfly petrels, or convergent evolution of a shearwater to the ecological niche of gadfly petrels.
• The "'Desertas petrel "'( " Pterodroma deserta " ) is a small seabird in the gadfly petrel genus which breeds on Bugio Island in the Desertas off Madeira.
• This suggests that despite the close physical proximity of the two species of gadfly petrel found in the Madeiran archipelago, they may have arisen from separate colonisations of mainland Madeira and, later, the Desertas Islands.
• The first remains of Imber's petrel were collected in 1947 but it was not until 1967 when British ornithologist William Richard Postle Bourne considered it as undescribed and extinct species which is distinctive from other gadfly petrels bred on the Chatham Islands.
• The gadfly petrels are named for their speedy weaving flight, as if evading horseflies and the flight action is also reflected in the genus name " Pterodroma ", from Ancient Greek " pteron ", " wing " and " dromos ", " runner ".
• "Bulweria " petrels have long been considered related to the gadfly petrels in the genus " Pterodroma ", but recent mtDNA sequence analysis has proven them to be closely related to the shearwaters in the genus " Puffinus " and especially the " Procellaria " petrels.
• The "'Atlantic petrel "'( " Pterodroma incerta " ) is a gadfly petrel colonies on Tristan da Cunha and Gough Island, and ranges at sea from Brazil to Namibia, with most records at sea being to the west of the breeding islands, and along the subtropical convergence.
• The "'Zino's petrel "'or "'freira "'( " Pterodroma madeira " ) is a small seabird in the gadfly petrel genus which is mitochondrial DNA . It is Europe's most endangered seabird, with breeding areas restricted to a few ledges high in the central mountains of Madeira.
• Compared to other shearwaters, the species is unusually easy to identify at sea by its combination of considerable size and the distinctive M-shaped banding pattern on its upperside while flying, uniquely among its genus and more akin to some gadfly petrels ( " Pterodroma " ), the prions ( " Pachyptila " ) and their relative, the blue petrel ( " Halobaena caerulea " ).