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Hudson's Black Tyrant - BirdForum Opus

Knipolegus hudsoni

Identification

15,5 cm.

Male

  • Shiny black plumage
  • Large white patch across inner webs of primaries on underwing visible in flight
  • Some whitish on lower flanks
  • Red eye
  • Blue-grey bill with black tipp
  • Black legs

Female

  • Greyish-brown upperparts, becoming rufous on rump and basal half of tail
  • Blackish terminal tailband
  • Dusky wings with two buff wingbars
  • Buffy underparts with mottled dusky-olive streaking across breast, fewer streaks on belly

Similar species

Male smaller than very similar White-winged Black Tyrant but bigger than Amazonian Black Tyrant (which lacks white patch on underwings). Female also smaller than White-winged Black Tyrant and with heavy streaking below.

Distribution

Breeds in central Argentina. Winters to Bolivia, Brazil and Peru.
A rare to uncommon species. Common in breeding season in Lihué Calel National Park (La Pampa).

Taxonomy

This is a monotypic species.

Habitat

Found in scrub and low woodland. Also in overgrown pastures, gardens and Chaco in non-breeding season. Occurs mostly below 500 m.

Behaviour

An inconspicuous species, often in dense cover close to the ground.

Diet

Feeds on insects.

Breeding

The nest is an open cup placed in a small tree or a bush.

Movements

Migrates north in austral winter (August to September) to Paraguay, Bolivia and southern Brazil.

Reference

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9., with updates to August 2014. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Gill, F and D Donsker (Eds). 2015. IOC World Bird Names (version 5.2). Available at http://www.worldbirdnames.org/.
  3. Handbook of the Birds of the World Alive (retrieved May 2015)

Recommended Citation

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