Riverside ant shrike
Riverside ant shrike | ||||||||||||
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Thamnophilus cryptoleucus | ||||||||||||
( Ménégaux & Hellmayr , 1906) |
The river bank ant shrike ( Thamnophilus cryptoleucus ), Syn. Myrmelastes cryptoleucus; Thamnophilus nigrocinereus cryptoleucus counts within the family of Antbirds (Thamnophilidae) for genus Thamnophilus .
The species occurs in the Amazon basin in Brazil , Ecuador , Colombia and Peru .
The distribution area includes tropical or subtropical moist forest and secondary forest , mostly river islands , often overgrown with Gynerium sagittatum or bamboo up to a height of 200 m.
The Latin additional species comes from ancient Greek κρυπτός kryptós , German 'hidden' and ancient Greek λευκός leukós , German 'white' .
The species used to be conspecific with the black and gray ant shrike ( Thamnophilus nigrocinereus ).
features
The male is solid black, lace and edges of the wing coverts are white, the tips of the Scapularfedern, sometimes the outer have feathers small white tips. The iris is brown, the beak black. The female has no white tips. Fledglings are brownish, not black. Compared to the similar pearl-shouldered ant shrike ( Thamnophilus aethiops ) there are differences in the preferred habitat .
The species is monotypical .
voice
The call is described as a nasal tone sequence “ukk-ukk-ukk-ukukukukuk”, which becomes faster. The tail is clearly moved.
Way of life
The species usually occurs in pairs, is difficult to see, and cannot be found in mixed hunting communities. The food probably consists of insects that are searched for up to 3 m close to the ground.
Little is known about the breeding season.
Hazardous situation
The stock is considered to be near threatened .
literature
- HA Ménégaux & CE Hellmayr: Myrmelastes cryptoleucus. In: Bulletin de la Société philomathique de Paris . Row 9, Volume 8, 1906, p. 30, Biodiversity Library
Web links
- Xeno-canto
- Oiseaux.net
- Peruaves
- Birds of the World (videos, photos and sound recordings)
Individual evidence
- Jump up ↑ Riverside Anthragus , in Avibase - The World Bird Database. Retrieved July 2, 2020.
- ↑ a b c d M. McMullan: Field Guide to the Birds of Colombia Rey Naranjo Editores, 2018, ISBN 978-958-8969-77-0
- ↑ a b c d T. S. Schulenberg and GH Rosenberg: Castelnau's Antshrike (Thamnophilus cryptoleucus) , version 1.0. In: TS Schulenberg, (Ed.): Birds of the World. 2020, Cornell Lab of Ornithology, Ithaca, NY, USA. Castelnau's Antshrike
- ^ JA Jobling: A Dictionary of Scientific Bird Names. Oxford University Press. 1991, ISBN 0-19-854634-3 .
- ↑ Redlist.Retrieved July 2, 2020.