Chestnut-collared Longspur (Calcarius ornatus)

Chestnut-collared Longspur Calcarius ornatus

Current view: summary

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 to continue into the future. Therefore, it is listed as Vulnerable.

Population size: 3100000

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 (2023) Species factsheet: Calcarius ornatus. Downloaded from http://datazone.birdlife.org/species/factsheet/chestnut-collared-longspur-calcarius-ornatus on 03/10/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 03/10/2023.