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pacific gull
The Pacific gull (''Larus pacificus'') is a very large gull, native to the coasts of Australia. It is moderately common between Carnarvon in the west, and Sydney in the east, although it has become scarce in some parts of the south-east, as a result of competition from the kelp gull, which has "self-introduced" since the 1940s.
Much larger than the ubiquitous silver gull, and nowhere near as common, Pacific gulls are usually seen alone or in pairs, loafing around the shoreline, steadily patrolling high above the edge of the water, or (sometimes) zooming high on the breeze to drop a shellfish or sea urchin onto rocks.
==Taxonomy==
The Pacific gull was first described by English ornithologist John Latham in 1802 from a Thomas Watling drawing, where the local name had been recorded as ''Troo-gad-dill''. Its specific epithet refers to the Pacific Ocean.
Two subspecies are recognised: the nominate race ''L. p. pacificus'' from the south-east coast and Tasmania, and ''L. p. georgii'' from South Australia and Western Australia. They have salt glands that secrete salty water through the nostrils.
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