Chestnut-shouldered Antwren - BirdForum Opus

Photo © by Thibaud Aronson
Estacion Biologica Los Amigos (Los Amigos Biological Station)
Madre de Dios, Peru, 2 November 2023

Terenura humeralis

Identification

Ca. 10 cm

upper back and most of wing olive-green
wing coverts black with white tips forming two wing bars; male has rufous above the upper wing bar that might be hidden by scapulars
rump is rufous
tail dusky
rear underside yellowish-buff
breast, throat and sides of head grey, black line through eyes
crown and nape black in male, olive-brown in female

South America: found in extreme south-eastern Colombia, eastern Ecuador, Peru, north-western Bolivia and south-western Amazonian Brazil.

This is a monotypic species^[1].

Subspecies transfluvialis is not recognised by most authorities^[2].

Lowland moist forests (more often terra firma), mainly in canopy.

Feeds on small invertebrates, usually the pair or family is part of mixed flocks with other insect eaters.

Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
Schulenberg, T. S. & Stotz, D. F. & Lane, D. F. & O'Neill, J. P. & Parker III, T. A. & Egg, A. B. (2010). Birds of Peru: Revised and Updated Edition. Princeton: Princeton University Press. ISBN 978-0691130231
Ber van Perlo. 2009. A field guide to the Birds of Brazil. Oxford University Press, New York, NY, USA. ISBN 978-0-19-530155-7
Ridgely, R.S., & P.J. Greenfield (2001). "The Birds of Ecuador - Field Guide". Comstock/Cornell Paperbacks. ISBN 978-0-8014-8721-7
Avibase
Zimmer, K. and M.L. Isler (2020). Chestnut-shouldered Antwren (Euchrepomis humeralis), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.chsant1.01
Birdforum thread discussing the taxonomy of this and other species

BirdForum Opus contributors. (2024) Chestnut-shouldered Antwren. In: BirdForum, the forum for wild birds and birding. Retrieved 19 April 2024 from https://www.birdforum.net/opus/Chestnut-shouldered_Antwren

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