Double-collared seedeater

The double-collared seedeater (Sporophila caerulescens) is a species of bird in the family Thraupidae.

Double-collared seedeater
Male in Brazil
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Passeriformes
Family: Thraupidae
Genus: Sporophila
Species:
S. caerulescens
Binomial name
Sporophila caerulescens
(Vieillot, 1823)

It is found in Argentina, Bolivia, Brazil, Paraguay, Peru, and Uruguay, as well as the southern border of Colombia on the Amazon River. Its natural habitats are subtropical or tropical moist shrubland, pastureland, and heavily degraded former forest.

Description
Female

It is a dimorphic species, with the male having a gray head and back, a black-collared throat, paired with a black band just below, across the upper whitish breast. It has gray legs, a medium length tail, and the stout bill for seed-eating. The female is less colorful.

Distribution

The species ranges from central Argentina east of the Andes cordillera northwards through Bolivia and Paraguay, and northeastwards into south-central Brazil, and southeast coastal Brazil; the species retreats into Amazonia during the austral winter. The double-collared seedeater is only found in the southern Amazon Basin, limited by the Amazon River as its northern limit.

In the west Amazon Basin it is found in eastern regions of Peru, the Ucayali River areas, and mostly the eastern bank of the north-flowing river. In the southeast Basin, it ranges from the Cerrado into the upstream two-thirds of the north-flowing Araguaia-Tocantins River drainage system.

References
  1. BirdLife International (2018). "Sporophila caerulescens". IUCN Red List of Threatened Species. 2018: e.T22723451A132164817. doi:10.2305/IUCN.UK.2018-2.RLTS.T22723451A132164817.en. Retrieved 13 November 2021.
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