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Least Grebe

From Opus

Alternative name: Short-billed Grebe

Subspecies brachypterusPhoto by bobsofpa  Sabal Palm Sanctuary, Texas, USA, April 2005
Subspecies brachypterus
Photo by bobsofpa
Sabal Palm Sanctuary, Texas, USA, April 2005
Tachybaptus dominicus

Contents

[edit] Identification

L. 23-26cm (9-10¬ľ in))

  • Dark brownish-grey
  • Greenish gloss above
  • Buffy breast and flanks with heavy dark barring
  • White belly and undertail
  • Slay-trey head and neck
  • Black throat, chin, and crown
  • Yellow to orange iris
  • Black bill with small white tip
  • Brownish-olive legs
Subspecies brachyrhynchusPhoto by Francisco PaludoParque Estadual Espig√£o Alto, Barrac√£o, RS, Brazil, December 2016
Subspecies brachyrhynchus
Photo by Francisco Paludo
Parque Estadual Espig√£o Alto, Barrac√£o, RS, Brazil, December 2016

[edit] Distribution

United States, Mexico, Panama, Colombia, Venezuela, Peru, Bolivia, Paraguay and southern Brazil

[edit] Taxonomy

[edit] Subspecies

Five subspecies recognized[1]:

  • T. d. brachypterus from south Texas to west-central Mexico and Panama
  • T. d. bangsi in western Mexico (southern half of Baja California and southern Sonora)
  • T. d. dominicus on Cozumel Island, Bahamas, Greater Antilles and Virgin Islands
  • T. d. eisenmanni on the coast of Ecuador; populations of northwestern Peru presumably also this subspecies
  • T. d. brachyrhynchus in tropical northern South America to south Brazil and north Argentina

[edit] Habitat

Freshwater ponds, slow-flowing rivers and swamps.

[edit] Behaviour

[edit] Breeding

The nest is a heap of rotting vegetation anchored to submerged plants in reedbeds or other marginal vegetation. 4-6 white eggs are laid and are incubated by both sexes for 21 days. Young tended by both sexes. Double-brooded, possibly treble-brooded at times.

[edit] Diet

Includes small fish and aquatic invertebrates.

[edit] References

  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/

[edit] External Links

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