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Mouse-colored Antshrike - BirdForum Opus

Photo by Anselmo d Affonseca
Amazonas, Brazil, August 2012
Thamnophilus murinus


Male: mostly grey with underside paler, white spot on central mantle, dark tail, brown wings with pale spots on covert tips, hooked grey bill, grey eyes. The color of wings and extent of white tips varies among subspecies.
Female: dark olive upperside and wings with pale covert tips, reddish-brown head, yellowish-brown underside darkest on flanks.

Similar Species

Black-capped Antshrike and Plain-winged Antshrike have red eyes.


South America: from Guyana, Suriname, French Guiana, and north eastern Brazil, to Amazonian basin regions of Venezuela, Colombia, Ecuador, Peru, and Bolivia; in the western half also south of the Amazon river but in east only north of the river.



Three subspecies are recognized[1]:

  • T. m. cayennensis:
  • T. m. murinus:
  • T. m. canipennis:
  • Extreme south-eastern Colombia, eastern Ecuador, eastern Peru, western Brazil and northern Bolivia


Lowland humid forests but prefers better drained soil including white-sand soils.


Diet includes insects. Usually not with mixed species flocks.


  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Ridgely and Tudor 2009. Field guide to the songbirds of South America - The Passerines. University of Texas Press. ISBN 978-0-292-71979-8
  3. Restall et al. 2006. Birds of Northern South America. Yale University Press. ISBN 9780300124156


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