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Auks

Auks, members of the family Alcidae, are a group of seabirds that includes murres, guillemots, puffins, and others, totaling 25 species across 11 genera. While they can fly, they are perhaps best known for their "flying" underwater, using their wings to swim in a way similar to penguins, with whom they are not closely related. Auks exhibit a black-and-white coloration and are adept at diving, commonly compared to penguins in their feeding behaviors. However, their ability to walk on land is rather awkward and clumsy. A notable distinction among these birds is their monomorphic nature, meaning males and females have similar appearances. Regarding size, they range from the small least auklet to the larger thick-billed murre. Distinct names for auks exist between Europe and North America; for example, "murres" in North America are known as "guillemots" in Europe, while Europe's "little auk" is North America's "dovekie." Auks are pelagic, spending much of their lives out at sea and coming ashore predominantly for breeding, with monogamous and often lifelong pair bonds. Some auks breed in large colonies on cliffs, while others prefer burrows or smaller group settings. Despite their modern limited geographical distribution, auks have a rich fossil record that suggests a greater past diversity and hints at their evolutionary journey from shorebirds to adept diving seabirds. Genetic studies indicate they are related to skuas and have adapted over time to cooler northern waters, their pursuit diving feeding methods proving less efficient in warmer temperatures. Losses of species in the Atlantic compared to the Pacific point to historical extinctions rather than present-day distributional restraints. The family's systematics includes several subfamilies and tribes, with various genera housing only a few species, reflective of their specialized ecological niches and restricted geographical range.

Regions

Categories

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Accentors
African & Green Broadbills
Albatrosses
Alcippe Fulvettas
Anhingas, Darters
Asian Barbets

Auks

Austral Storm Petrels
Australasian Babblers
Australasian Robins
Australasian Warblers
Australasian Wrens
Australo-Papuan Bellbirds
Babblers, Scimitar Babblers
Barn Owls
Bee-eaters
Birds-of-paradise
Boatbills
Bristlehead
Bulbuls
Buntings
Bushtits
Bustards
Buttonquail
Caracaras, Falcons
Cassowaries, Emu
Cettia Bush Warblers & Allies
Chats, Old World Flycatchers
Cisticolas & Allies
Cockatoos
Cormorants, Shags
Coursers, Pratincoles
Crab-plover
Cranes
Crombecs, African Warblers
Crows, Jays
Cuckoos
Cuckooshrikes
Cupwings
Dippers
Drongos
Ducks, Geese, Swans
Elachura
Fairy Flycatchers
Fairy-bluebirds
Fantails
Figbirds, Orioles, Turnagra
Finches, Euphonias
Finfoots
Flamingos
Flowerpeckers
Flufftails
Frigatebirds
Frogmouths
Gannets, Boobies
Goldcrests, Kinglets
Grassbirds & Allies
Grebes
Ground Babblers
Gulls, Terns, Skimmers
Herons, Bitterns
Honeyeaters
Honeyguides
Hoopoes
Hornbills
Hylocitrea
Ibisbill
Ibises, Spoonbills
Ifrit
Indigobirds, Whydahs
Ioras
Jacanas
Jewel-babblers, Quail-thrushes
Kingfishers
Kites, Hawks, Eagles
Larks
Laughingthrushes & Allies
Leaf Warblers & Allies
Leafbirds
Longspurs, Snow Buntings
Magpie Goose
Megapodes
Melampittas
Monarchs
Mottled Berryhunter
Nightjars
Northern Storm Petrels
Nuthatches
Old World Parrots
Old World Sparrows, Snowfinches
Ospreys
Owls
Oystercatchers
Painted-snipes
Parrotbills & Allies
Pelicans
Penduline Tits
Petrels, Shearwaters, Diving Petrels
Pheasants & Allies
Pigeons, Doves
Pittas
Ploughbill
Plovers
Rail-babbler
Rails, Crakes & Coots
Reed Warblers & Allies
Rollers
Sandpipers, Snipes
Shrikes
Sittellas
Skuas
Starlings, Rhabdornis
Stilts, Avocets
Stone-curlews, Thick-knees
Storks
Sunbirds
Swallows, Martins
Swifts
Sylviid Babblers
Thrushes
Tits, Chickadees
Treecreepers
Treeswifts
Trogons
Tropicbirds
Typical Broadbills
Vangas & Allies
Vireos, Greenlets, Shrike-babblers
Wagtails, Pipits
Wallcreeper
Waxbills, Munias & Allies
Waxwings
Weavers, Widowbirds
Whipbirds
Whistlers & Allies
White-eyes
Woodpeckers
Woodswallows, Butcherbirds & Allies
Wrens
Jayshrike
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Species Categories

AccentorsAfrican & Green BroadbillsAlbatrossesAlcippe FulvettasAnhingas, DartersAsian BarbetsAuksAustral Storm PetrelsAustralasian BabblersAustralasian RobinsAustralasian WarblersAustralasian WrensAustralo-Papuan BellbirdsBabblers, Scimitar BabblersBarn OwlsBee-eatersBirds-of-paradiseBoatbillsBristleheadBulbulsBuntingsBushtitsBustardsButtonquailCaracaras, FalconsCassowaries, EmuCettia Bush Warblers & AlliesChats, Old World FlycatchersCisticolas & AlliesCockatoosCormorants, ShagsCoursers, PratincolesCrab-ploverCranesCrombecs, African WarblersCrows, JaysCuckoosCuckooshrikesCupwingsDippersDrongosDucks, Geese, SwansElachuraFairy FlycatchersFairy-bluebirdsFantailsFigbirds, Orioles, TurnagraFinches, EuphoniasFinfootsFlamingosFlowerpeckersFlufftailsFrigatebirdsFrogmouthsGannets, BoobiesGoldcrests, KingletsGrassbirds & AlliesGrebesGround BabblersGulls, Terns, SkimmersHerons, BitternsHoneyeatersHoneyguidesHoopoesHornbillsHylocitreaIbisbillIbises, SpoonbillsIfritIndigobirds, WhydahsIorasJacanasJewel-babblers, Quail-thrushesKingfishersKites, Hawks, EaglesLarksLaughingthrushes & AlliesLeaf Warblers & AlliesLeafbirdsLongspurs, Snow BuntingsMagpie GooseMegapodesMelampittasMonarchsMottled BerryhunterNightjarsNorthern Storm PetrelsNuthatchesOld World ParrotsOld World Sparrows, SnowfinchesOspreysOwlsOystercatchersPainted-snipesParrotbills & AlliesPelicansPenduline TitsPetrels, Shearwaters, Diving PetrelsPheasants & AlliesPigeons, DovesPittasPloughbillPloversRail-babblerRails, Crakes & CootsReed Warblers & AlliesRollersSandpipers, SnipesShrikesSittellasSkuasStarlings, RhabdornisStilts, AvocetsStone-curlews, Thick-kneesStorksSunbirdsSwallows, MartinsSwiftsSylviid BabblersThrushesTits, ChickadeesTreecreepersTreeswiftsTrogonsTropicbirdsTypical BroadbillsVangas & AlliesVireos, Greenlets, Shrike-babblersWagtails, PipitsWallcreeperWaxbills, Munias & AlliesWaxwingsWeavers, WidowbirdsWhipbirdsWhistlers & AlliesWhite-eyesWoodpeckersWoodswallows, Butcherbirds & AlliesWrensJayshrike

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