shearwater


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shearwater,

common name for members of the family Procellariidae, gull-like sea birds related to the petrelpetrel
, common name given various oceanic birds belonging, like the albatross and the shearwater, to the order known commonly as tube-nosed swimmers. There are two families of petrels: the storm petrels (Hydrobatidae) and the diving petrels (Pelecanoididae).
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 and the albatross and including the fulmar. Shearwaters are found on unfrozen saltwaters all over the world, with 35 species in North America. They have tubular nostrils, hooked bills enlarged at the tip, short tails, and long, pointed wings. They feed on marine animals and oily matter on the open seas, coming to shore only to breed. Shearwaters are 15 to 25 in. (37.5–62.5 cm) long, dark above and light below—except for the grayish-bellied sooty shearwater, Puffinus griseus, of the Pacific, which migrates across the whole ocean region. Most common in the North Atlantic are the greater shearwater and Cory's shearwater. The slender-billed shearwater of Australia, P. tenuirostris, which also migrates over the entire Pacific, is a game bird known also as muttonbird or Tasmanian squab. The two fulmars, one of the North Atlantic and the other, the silver-gray fulmar, of antarctic regions, have thick, stubby yellow bills. Shearwaters are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Aves, order Procellariiformes, family Procellariidae.

shearwater

[′shir‚wȯd·ər]
(vertebrate zoology)
Any of various species of oceanic birds of the genus Puffinus having tubular nostrils and long wings.
References in periodicals archive ?
This was the fifth Operation Shearwater conducted between the ABF and BAKAMLA, with the inaugural patrol occurring in October 2013.
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Often wondered where we all went after I left Shearwater.
Cory's shearwater eggs are handled delicately and to avoid abandonment by adults, the operator vigorously rubs his hands with soil and leaves taken from plants near the nest.
Ninety six per cent of Shearwater population contains ingested plastic and as a result, the population has halved since 1978.
A juvenile male greater shearwater (Puffinus gravis) found off the Georgia coast, United States, was lethargic, hypothermic, dehydrated, and emaciated.
With the service Shearwater Air customer will be able to use Wi-Fi enabled devices such as laptops, tablets and smartphones to access the Internet in-flight.
Greater shearwaters - many so filled with sand eels that they comically had difficulty taking off from the water as we approached them - continuously entertained us, along with lesser numbers of their darker cousin, the sooty shearwater.