Great Blue Heron

Ardea herodias

General Status Rank: 
Vagrant
ELCODE: 
ABNGA04010
Common Name: 
Great Blue Heron
Scientific Name: 
Ardea herodias
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Taxonomy
Group: 
Bird
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Aves
Order: 
Pelecaniformes
Family: 
Ardeidae
References: 
ASC13
General Biology

Economic/Human Considerations

none
Habitat
shallow fresh and salt water
References: 
B004
Distribution

Distribution

none known
References: 
B004
MAF7
Winter Distribution Description: 
winters from southern Canada to Central America

Number of Occurrences

very small (MAF4) Ft Simpson (Tate 2013 from eBird species map Jan 2015 (H304)
Score: 
A
References: 
MAF4
H304
W113

Historical Distribution

vagrant
References: 
MAF4
MAF7

Area of Occupancy

unknown
Score: 
-
References: 
LWR01
MAF12
MAF5
Population

Population Size

Unknown
References: 
H108
Trends

Trends

unknown;population increasing over much of the range (H108); vagrant in NWT
References: 
LWR01
MAF12
MAF5
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Vagrant
Status Rank Description: 
(little information for NWT, vagrant)
S Rank: 
SNA
Decision Process Description: 
Drafted by Committee, Vicky Jonhston, Leslie Wakelyn, Suzanne Carriere, Jim Hines, Mike Fournier. ; Reviewed in 2010;no change; Reviewed by CWS in 2015, no change
Last Updated: 
February 2, 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
  • Dunn, E. (1997) Setting priorities for conservation, research and monitoring of Canada's landbirds. Canadian Wildlife Service Technical Report Series Number 293 RWED Library QL81.5 .c21 no. 095 - MAF12 Return
  • Dunn, E. (1996) Trends in "other" waterbirds. Environment Canada / Canadian Wildlife Service Bird Trends, No.5, Fall 1996 CWS Office - Mike Fournier - MAF5 Return

Habitat

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

Historical Distribution

  • Sirois, J., M.A. Fournier, and M. Kay (1995) The colonial waterbirds of Great Slave Lake, Northwest Territories: an annotated atlas. Canadian Wildlife Service Occasional Paper No. 89 - MAF4 Return
  • Sirois, J. and D. McRae (1996) The birds of the Northwest Territories. Environment Canada / Canadian Wildlife Service Second Edition - MAF7 Return

NWT Known Subspecies

Sirois, J., M.A. Fournier, and M. Kay (1995) The colonial waterbirds of Great Slave Lake, Northwest Territories: an annotated atlas. Canadian Wildlife Service Occasional Paper No. 89 - MAF4 Return
,
Sirois, J. and D. McRae (1996) The birds of the Northwest Territories. Environment Canada / Canadian Wildlife Service Second Edition - MAF7 Return

Number of Occurrences

  • Sirois, J., M.A. Fournier, and M. Kay (1995) The colonial waterbirds of Great Slave Lake, Northwest Territories: an annotated atlas. Canadian Wildlife Service Occasional Paper No. 89 - MAF4 Return
  • Danica Hogan (2015) email sent from Pankratz,Rhiannon [Yel] <Rhiannon.Pankratz@ec.gc.ca> to S Carriere (31/01/2015) - H304 Return
  • Audubon and Cornell Lab of Ornithology and Bird Studies Canada (2015) http://ebird.org/content/canada/ - W113 Return

Population Size

Fournier M.A. (1999) Personal Communication. - H108 Return

Range Extent

  • Godfrey WE (1986) The Birds of Canada. National Museums of Canada Revised Edition RWED Library Call #QL685.G6 - B004 Return
  • Sirois, J. and D. McRae (1996) The birds of the Northwest Territories. Environment Canada / Canadian Wildlife Service Second Edition - MAF7 Return

Short Term Trends

  • 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
  • Dunn, E. (1997) Setting priorities for conservation, research and monitoring of Canada's landbirds. Canadian Wildlife Service Technical Report Series Number 293 RWED Library QL81.5 .c21 no. 095 - MAF12 Return
  • Dunn, E. (1996) Trends in "other" waterbirds. Environment Canada / Canadian Wildlife Service Bird Trends, No.5, Fall 1996 CWS Office - Mike Fournier - MAF5 Return

Taxonomy

  • Chesser, R. Terry, Richard C. Banks, F. Keith Barker, Carla Cicero, Jon L. Dunn, Andrew W. Kratter, Irby J. Lovette, Pamela C. Rasmussen, J. V. Remsen, James D. Rising, Douglas F. Stotz, Kevin Winker. (2010) Fifty-first supplement to the American Ornithologists' Union Check-List of North American Birds.. Auk 127(3):726-744. - ASC13 Return