Rose-belly snowfinch
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Rose-bellied Snowfinch ( Leucosticte arctoa ) |
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| Leucosticte arctoa | ||||||||||||
| ( Pallas , 1811) |
The rose-bellied snowfinch ( Leucosticte arctoa ) is a species from the subfamily of goldfinch-like (Carduelinae). The rose-bellied snowfinch has a very large range and occurs in three subspecies in Asia.
Appearance
The rose-bellied snowfinch reaches a body length of sixteen to eighteen centimeters. A gender dimorphism is present. The females are a little paler in color. They also lack the pink color on individual parts of the body.
The males are colored differently brown and gray depending on the respective subspecies . You have a pink belly. The wing bow, rump and upper tail feathers also have a pink tinge. Some subspecies also show pink neck plumage. In other subspecies this is light gray or even blackish. The strong beak is horn-colored. The eyes are brown.
Geographical variation and systematics
The rose-bellied snow bull was first described in 1811 by Peter Simon Pallas as Passer arctous ; the type specimen came from the Russian Altai . Until about 1993, the North American species of black-headed snow-bull ( Leucosticte atrata ), brown-headed snow-bull ( Leucosticte australis ) and gray-headed-snow- bull ( Leucosticte tephrocotis ) were added to this species. Investigations of the mitochondrial DNA confirm a close relationship. The four species are therefore usually placed in a superspecies today .
Three subspecies are described. At L. a. sushkini , the males have a stronger pink tint than the nominate form , large arm covers, wings and control feathers are gray to gray-brown. Male of L. a. cognata are darker pink than the nominate form, but lighter than those of sushkini . Females are lighter colored on the head and body than those of the nominate form, wing and tail feathers are similar to those of sushkini .
- L. a. arctoa ( Pallas , 1811) - south-central Siberia (Altai, western Sayan Mountains , Tannu-ola Mountains ), northeastern Kazakhstan and northwestern Mongolia
- L. a. cognata ( Madarász , 1909) - Siberia (eastern Sajan Mountains eastwards to the middle Baikal Mountains) and northern Mongolia
- L. a. sushkini Stegmann , 1932 - Changai Mountains and central western Mongolia
Way of life
The distribution area of the rose-bellied snow bail extends from the Altai to the Siberian Kamchatka . The rose-bellied snowfinch is a bird of the mountain areas. It prefers to live in high altitudes that have only sparse tree growth.
supporting documents
Individual evidence
- ↑ Bielfeld, p. 66
- ↑ International Bird Collection, see web links
- ↑ Clement et al. (1993), p. 255, see literature
literature
- P. Clement, A. Harris, J. Davis: Finches and Sparrows , Helm Identification Guides, London 1993/1999, ISBN 0-7136-5203-9
- Horst Bielfeld : siskins, giraffe, bullfinches and grosbeak. Verlag Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3675-9 .
Web links
- Videos, photos and sound recordings for Leucosticte arctoa in the Internet Bird Collection
- Leucosticte arctoa onthe IUCN 2013 Red List of Threatened Species . Listed by: BirdLife International, 2012. Retrieved October 30, 2013.