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Black-billed Shrike-Tyrant

From Opus

Photo by zweiblumen Torres del Paine NP, Chile, November 2007
Photo by zweiblumen
Torres del Paine NP, Chile, November 2007
Agriornis montanus


[edit] Identification

23–24 cm (9-9½ in)
Bill black and thinner than most congeners.

[edit] Variations

Subspecies insolensPhoto by Stanley JonesHuánuco, Peru, August 2017
Subspecies insolens
Photo by Stanley Jones
Huánuco, Peru, August 2017

In north undertail coverts and tail sides white while in central and southern Chile and Argentina, the nearest part of the tail sides are dark. Eye is pale in northern birds but may be dark in birds from southern Bolivia and south of there.

[edit] Distribution

South America: found in Colombia, Ecuador, Peru, Bolivia, Chile, Argentina

Vagrant to the Falkland Islands.

[edit] Taxonomy

The scientific name has been spelled montana in the past.

[edit] Subspecies

There are 5 subspecies[1]:

  • A. m. solitarius:
  • A. m. insolens:
  • A. m. intermedius:
  • Andes of western Bolivia (La Paz and Oruro) to northern Chile (Tarapacá)
  • A. m. montanus:
  • Andes of eastern and southern Bolivia and north-western Argentina (south to La Rioja)
  • A. m. maritimus (A. m. leucura included herein):

[edit] Habitat

High-altitude shrubland, high-altitude grassland, and pastureland; can be seen at heights around 3,500m

[edit] Behaviour

Likes to perch on wires, buildings in villages, and rocks, but rarely on bushes.

[edit] Diet

Their diet consists of large insects, frogs, lizards, small mammals, eggs, nestlings and seeds.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from
  2. Handbook of the Birds of the World Alive (retrieved Nov 2017)
  3. BF Member observations
  4. Ridgely and Tudor 2009. Field guide to the songbirds of South America - The Passerines. University of Texas Press. ISBN 978-0-292-71979-8

[edit] External Links


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