Gloss spot drongo
| Gloss spot drongo | ||||||||||||
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Gloss spot drongo |
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| Dicrurus bracteatus | ||||||||||||
| Gould , 1843 |
The Glanzfleckdrongo ( Dicrurus bracteatus ) is a species of bird from the family of Drongos .
It was previously considered to be specific to the hair bush drongo ( Dicrurus hottentottus ).
It occurs in Australia , Indonesia , the Solomon Islands , Thailand , Papua New Guinea and northeast India .
The distribution area includes a wide range of tropical forests such as rain , gallery or mangrove forests .
description
The male is 30 to 32 cm tall, weighs 88 g, the female is 28 to 30 cm tall and weighs 76 g, otherwise the sexes do not differ. The plumage is shiny black with a blue-green sheen, the tail is long and deeply forked, the iris is blood red. Occasionally white spots can be seen on the top of the wing. Young birds are paler and still without shine, the iris is brown.
voice
The gloss spot drongo is described as noisy near the nest.
Geographic variation
The following subspecies are recognized:
- D. b. morotensis Vaurie , 1946 - English Morotai Drongo - Morotai
- D. b. atrocaeruleus G. R. Gray , 1861 - English Halmahera Drongo - Halmahera , Kasiruta , Bacan and Kofiau Island
- D. b. buruensis E. JO Hartert , 1919 - English Buru Drongo - Buru
- D. b. amboinensis G. R. Gray , 1861 - English Seram Drongo - southern Moluccas ( Seram , Ambon , Haruku , Saparua )
- D. b. carbonarius Bonaparte , 1850 - English Papuan Drongo - Gebe (northern Moluccas), flatlands of New Guinea and adjacent islands including western New Guinea ( Waigeo , Batanta , Salawati , Misool ), islands of the Cenderawasih Bay , Trobriand Islands , D'Entrecasteaux Islands , Louisiade- Archipelago , Torres Strait Islands and Aru Islands
- D. b. laemostictus P. L. Sclater , 1877 - English Bismarck Drongo - southern Bismarck Archipelago ( Umboi and New Britain )
- D. b. meeki Rothschild & EJO Hartert , 1903 - English Guadalcanal Drongo - southern Solomon Islands ( Guadalcanal )
- D. b. longirostris E. P. Ramsay , 1882 - English Makira Drongo - southern Solomon Islands ( Makira ).
- D. b. baileyi Mathews , 1912 - Northwest Australia
- D. b. atrabectus Schodde & Mason , 1999 - Northeast Australia, possibly winter migrants to the Torres Strait Islands and New Guinea
- D. b. bracteatus Gould , 1843, nominate form , - English Spangled Drongo - Eastern Australia's coast from the Burdekin River to New South Wales , winter migrant to northeast Australia , the Torres Strait Islands and New Guinea
Way of life
The diet consists mainly of winged insects , but also caterpillars and occasionally small vertebrates.
The breeding season in Australia is between September and early May. The nest is usually hung on a branch and is reminiscent of a cradle or hammock. This drongo is aggressive not only in vicinity of the nest, especially to predators, but pursue other birds, like Stachelbürzlern , booty.
Hazardous situation
The stock is not considered to be at risk ( least concern ).
Individual evidence
- ↑ Glanzfleckdrongo , in Avibase - The World Bird Database
- ↑ a b c d Handbook of the Birds of the World
- ↑ a b Birdlife Australia
- ↑ Orioles, drongos, fantails
- ↑ Redlist
