COSEWIC Assessment Summary and Status Report: Chestnut–collared Longspur Calcarius ornatus
Assessment Summary – November 2009
Reason for designation
This species is a native prairie grassland specialist that occurs in Alberta, Saskatchewan and Manitoba. The species has suffered severe population declines since the late 1960s, and the results of several surveys suggest that the declines have continued over the last decades albeit at a slower rate. The species is threatened by habitat loss and fragmentation from road development associated with the energy sector.
Alberta, Saskatchewan, Manitoba
Designated Threatened in November 2009.
- HTML version of "COSEWIC Assessment and Status Report on the Chestnut–collared Longspur Calcarius ornatus in Canada"
- "COSEWIC Assessment and Status Report on the Chestnut–collared Longspur Calcarius ornatus in Canada" (2010-09-03) (PDF format, 793.29 KB)
c/o Canadian Wildlife Service
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