Williams Lark

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Williams Lark
Systematics
Order : Passerines (Passeriformes)
Subordination : Songbirds (passeri)
Superfamily : Sylvioidea
Family : Larks (Alaudidae)
Genre : Mirafra
Type : Williams Lark
Scientific name
Mirafra williamsi
MacDonald , 1956
Distribution area of ​​the Williams Lark

The Williams lark ( Mirafra williamsi ), also written Williams lark , is a species of the lark family. Their distribution area is in central Africa. No subspecies are distinguished.

There are currently not enough data available to assess the stock situation of the Williams lark.

features

The Williams Lark is significantly smaller than a Skylark , but has a longer and thicker beak relative to its body size. The Friedmann Lark can be distinguished from the Williams Lark by the whiter belly side.

The top of the body is brownish, the individual feathers are a little darker in the middle. The throat is white, the chest is yellowish brown with blackish brown, teardrop-shaped spots. The belly is reddish brown. The wings are sepia to cinnamon brown. The two outermost control feathers are dark brown with light borders, the remaining control feathers are black-brown. The upper bill is grayish horn-colored, the lower bill is reddish-white. The feet and legs are bright reddish. The iris is brown.

Distribution area and habitat

The Williams Lark occurs in two isolated populations in northern Kenya . One distribution area is in the desert region of Didi Galgalla north of Marsabit . A second is in a region between the northern Kenyan cities of Isiolo and Garba Tula .

The habitat are open areas with a population of grasses and small bushes, some of which also have sandy soils, pastureland and black lava soils. The altitude distribution ranges from 600 to 1300 meters.

Way of life

Little is known about the way of life of the Williams lark, scientifically described only in the middle of the 20th century. However, the males are known for their long and showy sing-sightseeing flights. They show this especially after morning rains.

Dedication names

The Williams Lark is named after John George Williams (1913-1997), a British ornithologist who worked as a curator at the Coryndon Museum in Nairobi . On June 20, 1955, he collected four specimens of this type for the first time, all of which were molting at the time .

literature

  • Rudolf Pätzold: The larks of the world. Westarp Sciences, Magdeburg 1994, ISBN 3-89432-422-8 .

Web links

Single receipts

  1. Pätzold: The larks of the world. P. 43.
  2. Mirafra williamsi in the IUCN Red List of Threatened Species 2016.1. Posted by: BirdLife International, 2016. Retrieved January 7, 2017.
  3. a b c Pätzold: The larks of the world. P. 42.
  4. Pätzold: The larks of the world. P. 49.
  5. a b c Compilers: Jeremy Bird, Stuart Butchart: Williams's Lark - BirdLife Species Factsheet . In: Evaluators: Jeremy Bird, Stuart Butchart, Alison Stattersfield . BirdLife International  . 2008. Retrieved January 1, 2017.
  6. Bo Beolens, Michael Watkins: Whose Bird? Men and Women Commemorated in the Common Names of Birds . Christopher Helm, London 2003, ISBN 0-7136-6647-1 .