Common Raven

Corvus corax

General Status Rank: 
Secure
ELCODE: 
ABPAV10110
Common Name: 
Common Raven
Scientific Name: 
Corvus corax
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Taxonomy
Group: 
Bird
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Aves
Order: 
Passeriformes
Family: 
Corvidae
References: 
B004
General Biology

Economic/Human Considerations

Non-game species
References: 
H126
Habitat
forages widely but prefers lake and river shores; nest on cliffs or in trees
References: 
B004
H126
Distribution

Ecozones

Arctic Cordillera, Northern Arctic, Southern Arctic, Taiga Cordillera, Taiga Plains, Taiga Shield, Boreal Cordillera, Boreal Plains
References: 
B004

Distribution

0.99; Range extent is all of the NWT, as seen in the range map (Canadian Wildlife Service – Prairie & Northern Region 2009. Bird distributions in Nunavut & the Northwest Territories: 2009 Review.)
Score: 
G
References: 
B004
Winter Distribution Description: 
non-migratory

Number of Occurrences

More than 300
Score: 
E
References: 
H126

Historical Distribution

Likely similar to current dist.
References: 
H126

Area of Occupancy

Stable?
Score: 
-
References: 
H126
LWR01
Population

Population Size

Population estimate from PIF = 400,000 but as estimate is for entire NWT and NU this amount was divided in 2, therefore population estimate at 200,000 (DD16 ) Accessed on <January 25, 2015)
Score: 
G
References: 
LA01
DD16
Trends

Trends

BBS results for this species in the NWT, however data have low reliability and should be interpreted with caution (Environment Canada, 2014. North American Breeding Bird Survey - Canadian Trends Website, Data-version 2012. Environment Canada, Gatineau, Quebec, K1A 0H3)
Score: 
GI
References: 
H126
LWR01
Threats

Threats

Threats to species low, low human disturbance but species seems well adapted to humanized areas
Score: 
C
References: 
H129

Intrinsic Vulnerability

None known
Score: 
-
References: 
H129
General Status Rank
Rank: 
Secure
Status Rank Description: 
Common and widespread; Partners in Flight North American population monitoring status = inadequate northern coverage (LA01)
S Rank: 
S5
Decision Process Description: 
Drafted by S. Carriere mostly based on printed material in 2000. Reviewed by ENR in 2005.; Reviewed in 2010;no change; Reviewed in 2015, no change; Reviewed in 2020, no change
Last Updated: 
March 2, 2021

References

Area of Occupancy

  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return
  • Downes, C.M., E.H. Dunn and C.M Francis (2000) Canadian Landbird Monitoring Strategy: monitoring needs and priorities into the new millenium.. Partners in Flight - Canada A 9-15 EC-CWS, Yellowknife (L. Wakelyn) - or communicate with Erica H. Dunn, CWS in Hull, QC, at erica.dunn@ec,gc,ca - LWR01 Return

Economic Status

  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return

Ecozones

  • Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return

Habitat

  • Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return
  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return

Historical Distribution

  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return

Intrinsic Vulnerability

  • Wakelyn, Leslie (2000) Pers. communication. Wildlife biologist, CWS, Yellowknife - H129 Return

NWT Known Subspecies

Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return

Number of Occurrences

  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return

Population Size

Rich, T.D., Beardmore, C.J., Berlanga, H., Blancher, P.J., Bradstreet, M.S.W., Butcher, G.S., Demarest, D.W Dunn, E.H., Hunter, W.C., Inigo-Elias, E.E., Kennedy, J.A., Martell, A.M., Panjabi, A.O.,et al. (2004) Partners in Flight North American Landbird Conservation Plan (janv-04). Cornell Lab of Ornithology, Ithica, NY http://www.partnersinflight.org/cont_plan/default.htm - LA01 Return
,
Partners in Flight Science Committee 2013. Population Estimates Database, version 2013. Available at http://rmbo.org/pifpopestimates. Accessed on <January 25, 2015>. (2013) http://rmbo.org/pifpopestimates - DD16 Return

Range Extent

  • Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return

Short Term Trends

  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return
  • Downes, C.M., E.H. Dunn and C.M Francis (2000) Canadian Landbird Monitoring Strategy: monitoring needs and priorities into the new millenium.. Partners in Flight - Canada A 9-15 EC-CWS, Yellowknife (L. Wakelyn) - or communicate with Erica H. Dunn, CWS in Hull, QC, at erica.dunn@ec,gc,ca - LWR01 Return

Taxonomy

  • Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return

Threats

  • Wakelyn, Leslie (2000) Pers. communication. Wildlife biologist, CWS, Yellowknife - H129 Return