Join for FREE
It only takes a minute!
Zeiss - Always on the lookout for something special – Shop now

Welcome to BirdForum.
BirdForum is the net's largest birding community, dedicated to wild birds and birding, and is absolutely FREE! You are most welcome to register for an account, which allows you to take part in lively discussions in the forum, post your pictures in the gallery and more.

Personal tools
Main Categories

Yellow-winged Blackbird

From Opus

MalePhoto © by JamfaracoPassagem, Laguna-SC/ Brazil, January 2007
Male
Photo © by Jamfaraco
Passagem, Laguna-SC/ Brazil, January 2007
Agelasticus thilius

Contents

[edit] Identification

FemalePhoto © by Luis RBatuco Wetland,Santiago, Chile, August 2016
Female
Photo © by Luis R
Batuco Wetland,Santiago, Chile, August 2016

17·9 cm (7 in)
Male

  • Black overall plumage
  • Yellow shoulders and underwing coverts

Female

  • Heavily streaked brownish plumage
  • Pale supercilium
  • Yellow shoulder patch

[edit] Distribution

South America: found in South Brazil, Uruguay, central Argentina, central Chile, Bolivia and Peru.

[edit] Taxonomy

It has been placed in Chrysomus or in Agelasticus.

[edit] Subspecies

Immature, probably malePhoto © by nkgrayParque Bicentenario, Santiago, Chile, June 2013
Immature, probably male
Photo © by nkgray
Parque Bicentenario, Santiago, Chile, June 2013

There are 3 subspecies[1]:

  • A. t. alticola:
Andes of south-eastern Peru (Cuzco) to north-western Bolivia
  • A. t. thilius:
  • A. t. petersii:

[edit] Habitat

Swamps, intertidal marshes, pastureland always close to water.

[edit] Behaviour

[edit] Diet

Female, subspecies thiliusPhoto © by Luis RSanto Domingo, Valparaiso, Chile, June 2018
Female, subspecies thilius
Photo © by Luis R
Santo Domingo, Valparaiso, Chile, June 2018

Their diet consists of insects and seeds.

[edit] Breeding

Monogamous; colonial breeders. The female builds the nest in tall grass close to water. The clutch consists of 2-4 eggs which are incubated by the female for 13 days.

[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 September 2016)

[edit] External Links

Advertisement


Fatbirder's Top 1000 Birding Websites

Help support BirdForum

Page generated in 0.33289695 seconds with 6 queries
All times are GMT. The time now is 22:03.