Long-tailed Jaeger

Stercorarius longicaudus

General Status Rank: 
Secure
ELCODE: 
ABNNM01030
Common Name: 
Long-tailed Jaeger
Scientific Name: 
Stercorarius longicaudus
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Taxonomy
Group: 
Bird
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Aves
Order: 
Charadriiformes
Family: 
Stercorariidae
References: 
B004
Habitat
wet, vegetated tundra
References: 
B004
H131
Distribution

Ecozones

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

Distribution

0.24; Widespread distribution, occurring throughout portion of territory near or above treeline. Range estimated from map provided in Canadian Wildlife Service - Prairie and Northern Region, 2009. Bird Distributions in Nunavut and the Northwest Territories: 2009 Review.
Score: 
G
References: 
B004
Winter Distribution Description: 
at sea in Atlantic and Pacific Ocean

Number of Occurrences

Numerous observations on record for the NWT (DD15 Accessed 28Jan2015; W113).
Score: 
DE
References: 
H131
W113
DD15

Area of Occupancy

unknown, likely stable
Score: 
-
References: 
H131
H305
Population

Population Size

Exact numbers unknown but likely more than 3000; N.Am. Population >150,000 (H131;CS26): Exact numbers unknown, but likely >3000 (2005 review). Approximately 2100 in area covering ~50% of total range in the NWT, based on extrapolations from surveyed regions ((Interim Arctic PRISM non-shorebird results (up to 2009) (H305)).
Score: 
E
References: 
H131
CS26
H305

Density

Solitary
Trends

Trends

Unknown, but likely relatively stable.
Score: 
G
References: 
H131
H305
Threats

Threats

Human disturbance, contaminants, pollution
Score: 
C
References: 
H131

Intrinsic Vulnerability

possibly pollution, development, global climate change
Score: 
-
References: 
H131
General Status Rank
Rank: 
Secure
Status Rank Description: 
Designated conservation status "Low Concern" by Wings Over Water 2003 (CS26) Abundant and widespread in Nunavut with no evidence of significant threats or population declines.
S Rank: 
S5
Decision Process Description: 
Drafted by Grant Gilchrist based mostly on printed material in 2000. Reviewed in 2005 by C. Swoboda, based on printed material: no change in status.; Reviewed in 2010;no change; Reviewed by Paul F. Woodard CWS in 2015, Modified from undetermined to secure based on more information
Last Updated: 
February 4, 2015

References

Area of Occupancy

  • Gilchrist Grant (2000) Pers. communication. Wildlife Population Biologist, Eastern Arctic, CWS Yellowknife - H131 Return
  • Danica Hogan and Paul F. Woodard (2015) ecopy - H305 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
  • Gilchrist Grant (2000) Pers. communication. Wildlife Population Biologist, Eastern Arctic, CWS Yellowknife - H131 Return

Intrinsic Vulnerability

  • Gilchrist Grant (2000) Pers. communication. Wildlife Population Biologist, Eastern Arctic, CWS Yellowknife - H131 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

  • Gilchrist Grant (2000) Pers. communication. Wildlife Population Biologist, Eastern Arctic, CWS Yellowknife - H131 Return
  • Audubon and Cornell Lab of Ornithology and Bird Studies Canada (2015) http://ebird.org/content/canada/ - W113 Return
  • CWS (2014) CWS Unpublished Data - DD15 Return

Population Size

Gilchrist Grant (2000) Pers. communication. Wildlife Population Biologist, Eastern Arctic, CWS Yellowknife - H131 Return
,
Anonymous (2003) Wings over Water – Canada’s Waterbird Conservation Plan. Canadian Wildlife Service, - CS26 Return
,
Danica Hogan and Paul F. Woodard (2015) ecopy - H305 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

  • Gilchrist Grant (2000) Pers. communication. Wildlife Population Biologist, Eastern Arctic, CWS Yellowknife - H131 Return
  • Danica Hogan and Paul F. Woodard (2015) ecopy - H305 Return

Taxonomy

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

Threats

  • Gilchrist Grant (2000) Pers. communication. Wildlife Population Biologist, Eastern Arctic, CWS Yellowknife - H131 Return