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Redpolls
Carduelis Flammea Oulu 2007 03 04.JPG
Common redpoll in Oulu, Finland
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Fringillidae
Subfamily: Carduelinae
Genus: Acanthis
Borkhausen, 1797
Type species
Acanthis flammea
Species

Acanthis flammea
Acanthis cabaret
Acanthis hornemanni

Synonyms

Carduelis

The redpolls (genus Acanthis) (in Great Britain also historically known as redpoles) are a group of small passerine birds in the finch family Fringillidae, which have characteristic red markings on their heads. They are placed in the genus Acanthis. The genus name Acanthis is from the Ancient Greek akanthis, a name for a small now-unidentifiable bird.

All redpolls are northern breeding woodland species, associated with birch trees (although there are introduced populations in the southern hemisphere, in New Zealand and nearby subantarctic islands). They are small birds, brown or grey-brown above and with a red forehead patch. The adult male's breast is washed in red, but in females and young birds the buff breast and white belly are streaked with brown. The bill is small and yellow. Some birds, particularly young ones, are difficult to assign to species.

They are primarily seed-eaters, and often feed acrobatically like a tit; their diet may include some insects in summer. They have a dry reeling song and a metallic call. They lay four to seven eggs in a nest in a tree or, in the case of the Arctic redpoll, a large bush. They can form large flocks outside the breeding season, sometimes mixed with other finches.

Taxonomy

The taxonomy of redpolls is unsettled, with several different very closely related forms of redpolls which have been considered as anything from one to five species. Some studies favour three species, but this is certainly not definite. Global lists currently support either two species (the common and hoary redpoll) or a single species (the common redpoll). Most recently, genomewide analyses found differences in gene expression but no genetic divergence, suggesting that plumage forms have originated recently, within a single interbreeding lineage, and do not represent species boundaries.

Species

The species are:

Male Female Common Name Scientific name Subspecies Distribution
Arctic Redpoll (Acanthis hornemanni) (13667553233).jpg Carduelis hornemanni CT6.jpg Arctic redpoll or hoary redpoll Acanthis hornemanni
  • A. h. hornemanni (Greenland Arctic redpoll or Hornemann's Arctic redpoll)
  • A. h. exilipes (Coues' Arctic redpoll or hoary redpoll)
Greenland and neighbouring parts of Canada
Carduelis flammea Oulu 20120409b.JPG Common Redpoll (31195711094).jpg common redpoll Acanthis flammea
  • A. f. flammea (mealy redpoll)
  • A. f. islandica (Icelandic redpoll)
  • A. f. rostrata (Greenland redpoll)
North America and the Palearctic
Carduelis cabaret -Lochwinnoch, Renfrewshire, Scotland -male-8.jpg Carduelis cabaret -Lochwinnoch, Renfrewshire, Scotland -female-8.jpg lesser redpoll Acanthis cabaret originally Ireland, most of Great Britain, and the Alps; range has spread considerably across central and northern Europe in recent decades

See also

Kids robot.svg In Spanish: Acanthis para niños

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