White-crowned Sparrow

Zonotrichia leucophrys

General Status Rank: 
Secure
ELCODE: 
ABPBXA4040
Common Name: 
White-crowned Sparrow
Scientific Name: 
Zonotrichia leucophrys
Taxonomy
Group: 
Bird
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Aves
Order: 
Passeriformes
Family: 
Passeridae
References: 
General Biology
Canada Known Subspecies Count: 
0
Reproduction Frequency Per Year: 
0

Economic/Human Considerations

Non-game species
References: 
Habitat
woodland thickets
References: 
Distribution

Ecozones

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

Distribution

0.87; Range extent covers entire NWT mainland. Range extent visually estimated from range map (Canadian Wildlife Service – Prairie & Northern Region 2009. Bird distributions in Nunavut & the Northwest Territories: 2009 Review.)
Score: 
G
References: 
Winter Distribution Description: 
southern BC to Central America

Number of Occurrences

More than 100
References: 

Historical Distribution

Likely similar to current dist.
References: 

Area of Occupancy

stable? Need data to confirm for NWT
Score: 
-
References: 
Population

Population Size

PIF population size estimate for NWT & NU = 8,000,000, species mainly occurs in NWT so >1,000,000 in NWT(Partners in Flight Science Committee 2013. Population Estimates Database, version 2013. Available at http://rmbo.org/pifpopestimates. Accessed on <January 25, 2015>.)
Score: 
H
References: 
Threats

Threats

Little human disturbance in the north, threats are thought to be low for this species.
Score: 
C
References: 

Intrinsic Vulnerability

Limited effects of climate change likely in next 10 yrs
Score: 
-
References: 
General Status Rank
Rank: 
Secure
Status Rank Description: 
Population widespread and abundant and BBS trend, while low data reliability, indicates NWT population is increasing therefore, species ranked as secure.
S Rank: 
S5
Decision Process Description: 
Drafted by Leslie Wakelyn and S. Carriere mostly based on printed material in 2000; Reviewed in 2005 by Craig Machtans and L. Armer - no change in status.; Reviewed in 2010;no change; Reviewed by Emily Upham-Mills CWS in 2015, no change
Last Updated: 
February 4, 2015

References

Area of Occupancy

  • 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
  • Downes, C.M., E.H. Dunn and C.M Francis (2000) Canadian Landbird Monitoring Strategy: monitoring needs and priorities into the new millenium. - New trend analyses - Addendum to the strategy. Partners in Flight - Canada EC-CWS, Yellowknife (L. Wakelyn) - or communicate with Erica H. Dunn, CWS in Hull, QC, at erica.dunn@ec,gc,ca - LWR02 Return
  • Dunn, E. (2005) National Action Needs for Canadian Landbird Conservation, Version 1. Canadian Wildlife Service Landbird Committee, Canadian Wildlife Service, Ottawa, Canada http://www.cws-scf.ec.gc.ca/birds/action/index_e.cfm - LA12 Return

Economic Status

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

Historical Distribution

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

Range Extent

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