Chestnut-mantled dwarf owl

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Chestnut-mantled dwarf owl
Systematics
Class : Birds (aves)
Order : Owls (Strigiformes)
Family : Real owls (Strigidae)
Genre : Pygmy Owl ( Glaucidium )
Type : Chestnut-mantled dwarf owl
Scientific name
Glaucidium castanotum
( Blyth , 1851)

The chestnut- mantled pygmy owl ( Glaucidium castanotum , Syn . : Glaucidium castanonotum , misspelling, Taenioglaux castanotum ), also called Sri Lankan pygmy owl , is a species of bird from the family of the real owls (Strigidae).

Some authors assign this species, together with others, to the genus Taenioglaux .

The chestnut-coated pygmy owl is possibly closely related to the jungle pygmy owl . It used to be regarded as its subspecies or the cuckoo pygmy owl .

The species is endemic to Sri Lanka .

Their distribution area includes moist forest areas from the lowlands to around 1950 m altitude.

description

The chestnut-mantled dwarf owl is 17 to 19 cm tall, weighs around 100 g, the wingspan is 122 to 137 mm, the tail is 56 to 70 mm long. The female is larger and heavier than the male. This little owl is characterized by a dark gray chest with narrow white bands and a light chestnut brown top with reddish brown to black banding. The face is not very structured, the eyes are light yellow, the wax skin is gray to greenish-white, the beak is yellow or greenish. The dark brown head has narrow red-brown to ocher-colored bands. The neck is flat white, on the chest side is a chest band. The underside is light with blackish stripes. The toes are yellowish-olive with individual bristles.

voice

The call of the male is described as a short series of softly beginning, then louder, 4–9 long-range tones “krrraw” and as a melodic purring vibrato “kwurrkwurrkwurrkwurr”.

Way of life

The diet consists mainly of insects , including mice , lizards and small birds. The bird is diurnal and mostly stays in the canopy of tall trees.

The breeding season is between March and May, the nests are created in natural tree hollows or holes made by woodpeckers or bearded birds . Usually two oval eggs about 35 x 28 mm in size are laid.

Hazardous situation

The chestnut-mantled pygmy owl is considered to be low endangered ( near threatened ) due to habitat loss .

literature

  • E. Blyth in: The Journal of the Asiatic Society of Bengal (J. Asiat. Soc. Bengal), 1850, Vol. 19, p. 511.

Individual evidence

  1. ^ EC Dickinson, C. Jones and N. David: The correct spelling, date and citation for the Chestnut-backed Owlet of Sri Lanka. In: Indian Birds. Volume 5, No. 2, 2009, pp. 52-53.
  2. ↑ Owl World
  3. ↑ Kastanienmantel-Zwergkauz , in Avibase - The World Bird Database
  4. ^ H. Mikkola: Owls of the World - A Photographic Guide. 2nd Edition. Bloomsbury, 2013, ISBN 978-1-4729-0593-2 .
  5. ↑ C. König, F. Weick, J, -H. Becking: Owls A Guide to the Owls of the World. Pica Press, 1999, ISBN 1-873403-74-7 , pp. 354-355.
  6. ↑ a b c d e Handbook of the Birds of the World
  7. ↑ a b c Owlpages
  8. ^ IUCN Redlist

Web links

Commons : Chestnut-mantled Pygmy Owl  - Collection of images, videos and audio files