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The parakeet auklet (''Aethia psittacula'') is a small
seabird Seabirds (also known as marine birds) are birds that are adapted to life within the marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent evolution, as the same enviro ...
of the
North Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
. Parakeet Auklets used to be placed on its own in the genus ''Cyclorrhynchus'' ( Kaup, 1829) but recent morphological and genetic evidence suggest it should be placed in the genus ''Aethia'', making them closely related to crested auklets and
least auklet The least auklet (''Aethia pusilla'') is a seabird and the smallest species of auk. It is the most abundant seabird in North America, and one of the most abundant in the world, with a population of around nine million birds. They breed on the isl ...
s. It is associated with the boreal waters of
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
,
Kamchatka The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and wes ...
and
Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part of ...
. It breeds on the cliffs, slopes and boulder fields of offshore islands, generally moving south during the winter.


Description

The parakeet auklet is a small (23 cm)
auk An auk or alcid is a bird of the family Alcidae in the order Charadriiformes. The alcid family includes the murres, guillemots, auklets, puffins, and murrelets. The word "auk" is derived from Icelandic ''álka'', from Old Norse ''alka'' (a ...
with a short orange bill that is upturned to give the bird its curious fixed expression. The upward bend of the beak has been observed to provide advantages in picking up small food pieces from the sea bottom as well as in assisting in the disintegration of larger food objects. The bird's
plumage Plumage ( "feather") is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes. Within species, ...
is dark above and white below. with a single white plume projecting back from the eye. There is a small amount of variation between breeding and winter plumage. The parakeet auklet is a highly vocal species at the nest, calling once it arrives at the nest and then duetting once its mate arrives. It makes a series of rhythmic hoarse calls (like that of the
Cassin's auklet Cassin's auklet (''Ptychoramphus aleuticus'') is a small, chunky seabird that ranges widely in the North Pacific. It is the only species placed in the genus ''Ptychoramphus''. It nests in small burrows and because of its presence on well studied ...
) and a quavering squeal. The function of these are unknown, but could be associated with defending its burrow from intruders and strengthening the bond with its mate.


Behaviour and breeding

The parakeet auklet's food varies with season, during the breeding season it takes mostly small
plankton Plankton are the diverse collection of organisms found in Hydrosphere, water (or atmosphere, air) that are unable to propel themselves against a Ocean current, current (or wind). The individual organisms constituting plankton are called plankt ...
ic
crustacean Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...
s such as
euphausiid Krill are small crustaceans of the order Euphausiacea, and are found in all the world's oceans. The name "krill" comes from the Norwegian word ', meaning "small fry of fish", which is also often attributed to species of fish. Krill are consi ...
s,
copepod Copepods (; meaning "oar-feet") are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (inhabiting sea waters), some are benthos, benthic (living on the ocean floor) ...
s and
amphipod Amphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies. Amphipods range in size from and are mostly detritivores or scavengers. There are more than 9,900 amphipod species so far descr ...
s. Recent research shows it also preys on
jellyfish Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella- ...
in some areas. It often feeds at a considerable distance from the colony, diving up to 30 m to reach its
prey Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation (which usually do not kill the ...
. Breeding begins in April and May in colonies that are often shared with other auk species. The pair lay one egg, which is incubated for just over a month, the chick is then fed 4 times a day for around 35 days. The chick
fledge Fledging is the stage in a flying animal's life between hatching or birth and becoming capable of flight. This term is most frequently applied to birds, but is also used for bats. For altricial birds, those that spend more time in vulnerable c ...
s at night, flying out to sea alone.


Status and conservation

The parakeet auklet is not considered threatened, there are estimated to be over a million individuals in the North Pacific. It is not thought to have declined recently, but may be threatened in the future by introduced predators and
oil spill An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially the marine ecosystem, due to human activity, and is a form of pollution. The term is usually given to marine oil spills, where oil is released into th ...
s.


References

* Collinson, Martin. 2006.
Splitting headaches? Recent taxonomic changes affecting the British and Western Palaearctic lists''
British Birds 99: 306-323. * del Hoyo, J., Elliott, A. and Ssargatal, J. (eds.) 1996 ''Handbook of the Birds of the World, Vol. 3: Hoatzin to Auks''. Lynx Edicions: Barcelona, Spain. * Harrison, P.. 1983.'' Seabirds, an Identification Guide''. Houghton Mufflin Co.: Boston, USA. 448pp. * "National Geographic" ''Field Guide to the Birds of North'' ''America'' * Sibley, D.A. 2001. ''The Sibley Guide to Birds''. Alfred Knopf: New York, USA. *


External links


Parakeet auklet images
http://tsuru-bird.net/image.htm Copyright 2009 - Monte M. Taylor {{Taxonbar, from=Q1262009 parakeet auklet parakeet auklet Birds of the Aleutian Islands parakeet auklet Taxa named by Peter Simon Pallas