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White-fringed Antwren

From Opus

Subspecies rufiventris Photo © by max1Los LLanos, N.E Colombia, February 2016
Subspecies rufiventris
Photo © by max1
Los LLanos, N.E Colombia, February 2016
Formicivora grisea

Contents

[edit] Identification

Male, ssp tobagensis Photo © by DABSChacachacare, Trinidad, 29 January 2018
Male, ssp tobagensis
Photo © by DABS
Chacachacare, Trinidad, 29 January 2018

12–13 cm (4¾-5 in)

  • Grey-brown crown and upperparts
  • Black wings, tail, lower face and underparts
  • 2 white wing bars
  • White stripe running from above the eye down the sides of the breast and flanks
  • White tipped tail feathers

Female

  • Upperparts similar to the male

However, females of the southern populations are orange below and have an orange supercilium

[edit] Distribution

South America: found in Colombia, Venezuela, Tobago, Guyana, Suriname, French Guiana and Brazil.

[edit] Taxonomy

Sometimes split in Southern White-fringed Antwren (Formicivora grisea) and Northern White-fringed Antwren (Formicivora intermedia)

[edit] Subspecies

Subspecies grisea'Photo © by Rick and ElisNE Brazil, October 2011
Subspecies grisea'
Photo © by Rick and Elis
NE Brazil, October 2011

There are 9 subspecies[1]:
Northern

  • F. g. alticincta: Pearl Islands (Bay of Panama)
  • F. g. hondae: North-western Colombia
  • F. g. fumosa: Northern base of Andes of north-eastern Colombia and western Venezuela
  • F. g. intermedia: Northern Colombia, north-western Venezuela, Margarita Island and Chacachacare Island
  • F. g. tobagensis: Tobago
  • F. g. orenocensis: Southern Venezuela south of River Orinoco (Bolívar and extreme northern Amazonas)

Southern

  • F. g. rufiventris: Extreme eastern Colombia and southern Venezuela (western Amazonas)
  • F. g. grisea: Guyana, coastal Suriname, French Guiana, northern and eastern Brazil
  • F. g. deluzae: Known from a single specimen from south-eastern Brazil (Rio de Janeiro)

[edit] Habitat

Female, ssp tobagensis Photo © by Robert L JarvisTobago, May 2012
Female, ssp tobagensis
Photo © by Robert L Jarvis
Tobago, May 2012

Occurs in the under and mid-storey of lowland secondary woodland, scrubby bushes on white sandy soils and restinga habitat.

[edit] Behaviour

[edit] Diet

The diet consists of a variety of small insects, spiders and other arthropods gleaned from undergrowth, twigs and foliage.

[edit] Breeding

They construct a grassy hammock nest which is placed low in a tree or shrub. The clutch contains 2 creamy white eggs, with purple markings; they are incubated by both adults.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Handbook of the Birds of the World Alive (retrieved March 2016)

[edit] External Links

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