Auk

Auk
Scientific classification
Kingdom Information
Domain	Eukaryota
Kingdom	Animalia
Subkingdom	Bilateria
Branch	Deuterostomia
Phylum Information
Phylum	Chordata
Sub-phylum	Vertebrata
Infraphylum	Gnathostomata
Class Information
Superclass	Tetrapoda
Class	Aves
Sub-class	Neornithes
Infra-class	Neoaves
Order Information
Superorder	Passerimorphae
Order	Charadriiformes
Infraorder	Charadriides
Family Information
Superfamily	Laroidea
Family	Alcidae
Population statistics

Auks are 25 species of marine diving birds of the family Alcidae, and found in the higher latitudes of the Northern Hemisphere.

Species

Family Alcidae

• Subfamily Alcinae
  • Tribe Alcini; typical auks and murres
    • Genus Alca
      • Razorbill, Alca torda
    • Genus Alle
      • Little auk, Alle alle
    • Genus Pinguinus
      • Great auk, Pinguinus impennis (extinct)
    • Genus Uria
      • Common murre, Uria aalge
      • Thick-billed murre, Uria lomvia
  • Tribe Brachyramphini; brachyramphine murrelets
    • Genus Brachyramphus
      • Kittlitz's murrelet, Brachyramphus brevirostris
      • Long-billed murrelet Brachyramphus perdix
      • Marbled murrelet, Brachyramphus marmoratus
  • Tribe Cepphini; true guillemots
    • Genus Cepphus
      • Black guillemot, Cepphus grylle
      • Pigeon guillemot, Cepphus columba
      • Spectacled guillemot, Cepphus carbo
  • Tribe Synthliboramphini; murrelets
    • Genus Synthliboramphus
      • Ancient murrelet, Synthliboramphus antiquus
      • Craveri's murrelet, Synthliboramphus craveri
      • Guadalupe murrelet, Synthliboramphus hypoleucus
      • Japanese murrelet, Synthliboramphus wumizusume
      • Scripps's murrelet, Synthliboramphus scrippsi
• Subfamily Fraterculinae
  • Tribe Aethiini – auklets
    • Genus Aethia
      • Crested auklet, Aethia cristatella
      • Least auklet, Aethia pusilla
      • Parakeet auklet, Aethia psittacula
      • Whiskered auklet, Aethia pygmaea
    • Genus Ptychoramphus
      • Cassin's auklet, Ptychoramphus aleuticus
  • Tribe Fraterculini; puffins
    • Genus Cerorhinca
      • Rhinoceros auklet, Cerorhinca monocerata
    • Genus Fratercula
      • Atlantic puffin, Fratercula arctica
      • Horned puffin, Fratercula corniculata
      • Tufted puffin, Fratercula cirrhata