VU
Chestnut-collared Longspur Calcarius ornatus



Family: Calcariidae (Longspurs)

Authority: (Townsend, 1837)

Red List Category

Criteria: A2bc+3bc+4bc

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Justification of Red List category
This species appears to have undergone a rapid decline, which is suspected will continue into the future. Therefore, it has been uplisted to Vulnerable.



Population size:

Population trend: Decreasing

Extent of occurrence (breeding/resident): 1,150,000 km2

Country endemic: No

Attributes
Realm - Nearctic
Realm - Neotropical
Land-mass type - continent
IUCN Ecosystem -- Terrestrial biome

Recommended citation
BirdLife International (2018) Species factsheet: Calcarius ornatus. Downloaded from http://www.birdlife.org on 14/11/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 14/11/2018.