Overview

Distribution

Range

E Mexico (Nuevo León to n Veracruz and ne Puebla).
  • 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. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/

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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
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Source: IUCN

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
BirdLife International

Reviewer/s
Butchart, S. & Symes, A.

Contributor/s

Justification
This species has a very large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend is not known, but the population is not believed to be decreasing sufficiently rapidly to approach the thresholds under the population trend criterion (>30% decline over ten years or three generations). The population size may be moderately small to large, but it is not believed to approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
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Source: IUCN

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Population

Population
Partners in Flight estimated the population to number fewer than 50,000 individuals (A. Panjabi in litt. 2008), thus it is placed in the band 20,000-49,999 individuals here.

Population Trend
Unknown
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Wikipedia

Crimson-collared grosbeak

The crimson-collared grosbeak (Rhodothraupis celaeno) is a medium-size seed- and leaf-eating bird in the same family as the northern cardinal, Cardinalidae.

The crimson-collared grosbeak is primarily found in north-eastern Mexico from central Nuevo León and central Tamaulipas south to northern Veracruz; however, it occasionally strays into the Rio Grande Valley of southern Texas, mostly in winter.

Mature males have black plumage with a dull red (Sibley 2000) or pinkish red (Howell and Webb 1995) "collar" on the nape, shoulders, and belly (much like the crimson-collared tanager); the belly is mottled with black. Mature females have a black head and breast like males but greenish upperparts and yellowish underparts. Young birds are similar to females but have less black. The beak is black, big and stubby, with the upper mandible jutting roughly perpendicular to the forehead.

The song is a warble, often slurred upward at the end. Calls are penetrating whistles starting with an "s" sound, slurred downward or one upward followed by one downward.

The crimson-collared grosbeak inhabits humid or semi-arid forest and second growth, from low to high levels, sometimes skulking on the ground. It occurs singly, in pairs, or in mixed-species flocks.

The nest is a bulky cup made of grass and twigs and placed in a bush. The female lays two or three pale blue-grey eggs with brown markings.

References[edit]

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