Amazon drop ant shrike

Amazon drop ant shrike
Amazon drop ant shrike, female
Systematics
Subordination : Screeching Birds (Tyranni) Family : Ant birds (Thamnophilidae) Subfamily : Thamnophilinae Tribe : Thamnophilini Genre : Thamnophilus Type : Amazon drop ant shrike
Scientific name
Thamnophilus amazonicus
PL Sclater , 1858

The Amazon drop ant shrike ( Thamnophilus amazonicus ) belongs to the genus Thamnophilus within the ant bird family (Thamnophilidae) .

The species occurs in the entire Amazon basin in Bolivia , Brazil , Ecuador , Colombia and Peru and in Guiana in French Guiana , Guyana and Suriname .

The distribution area includes tropical or subtropical humid lowland forest and marshland , preferably "white sand forest" (white-sand forest), rarely in flooded forests and in bamboo, up to 400 m height.

The Latin species addition refers to the Amazon .

male

features

The bird is about 14 cm tall and weighs between 17 and 21 g. In the male, the cap and middle of the forehead are black, the sides of the head are gray, the back and the wings are predominantly black, strongly spotted and bordered with white with a white interscapular spot, the trunk and the underside are gray. The tail is black with white peaks and large white spots on the outer control springs . In the female, the vertex is light red-brown, the rest of the head and the lower parts are bright yellowish-red-brown, the upper side is deep olive, the wings and tail are patterned like the males, but more brown, the flight feathers are bordered in light olive.

Geographic variation

The following subspecies are recognized:

• T. a. cinereiceps pelts , 1868 - Colombia, southwestern Venezuela and northwestern Brazil
• T. a. divaricatus Mees , 1974 - Southeast Venezuela, Guyana and Northern Brazil
• T. a. amazonicus P. L. Sclater , 1858, nominate form –South Colombia to Northern Bolivia
• T. a. obscurus J. T. Zimmer , 1933 - Brazil
• T. a. paraensis Todd , 1927 - Brazil

voice

The call is described as a rapid, accelerating sequence of tones, trough-like , ending at the end.

Way of life

The diet consists of insects and arthropods , which are usually sought in 5 to 17 m above the ground, often in denser vegetation hanging close to the trunk. The species usually occurs as a pair and is often found in mixed hunting communities.

The breeding season in Brazil is between May and January. The nest is a 5 cm deep and about 10 cm wide bowl at a height of 1 to 3 m hung on small branches. The clutch consists of two creamy white eggs with numerous purple to gray spots.

Hazardous situation

The stock is not considered to be at risk ( least concern ).

literature

• PL Sclater: Thamnophilus amazonicus. In: Synopsis of the American ant-birds (Formicariidae) . In: Proceedings of the Zoological Society of London . 1858, Vol. 26, p. 214 Biodiversity Library

Web links

Commons : Amazon teardrop ant shrike  - Collection of images, videos and audio files

• Xeno-canto
• Oiseaux.net
• Vireo
• Birds of the World (videos, photos and sound recordings)

Individual evidence

1. ↑ ^{a b} Amazonia drop ant shrike , in Avibase - The World Bird Database. Retrieved July 9, 2020.
2. ↑ ^{a b c d} M. McMullan: Field Guide to the Birds of Colombia Rey Naranjo Editores, 2018, ISBN 978-958-8969-77-0
3. ↑ ^{a b c} K. Zimmer and ML Isler: Amazonian Antshrike (Thamnophilus amazonicus) , version 1.0. In: J. del Hoyo, A. Elliott, J. Sargatal, DA Christie and E. de Juana (editors): Birds of the World . 2020, Cornell Lab of Ornithology, Ithaca, NY, USA. Amazonian Antshrike
4. ↑ Antbirds
5. ↑ Redlist.Retrieved July 9, 2020.