Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Ardea herodias Common name Great Blue Heron
Population name herodias, C & NE North America
Breeding range Central & NE North America Non-breeding range Many migrate to S of breeding range
Red List Category Least Concern
Ramsar regions Neotropics North America
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 -1 -1
WPE 2 0 0 -1 -1
WPE 3 0 0 -1 -1
WPE 4 0 0 -1 -1
WPE 5 0 0 124,000 125,000 Best guess [S7607] [R1115]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1966 1991 INC [R635]
WPE 2 1966 1996 INC [R565]
WPE 3 1966 2000 INC [R563]
WPE 4 1966 2000 INC [R563]
WPE 5 1966 2000 INC [R563]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 0 -1
WPE 4 0 -1
WPE 5 2012 1200

References

  • R635 - Trapp, J. (pers. comm.). 1993. Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.
  • R565 - Sauer, J.R., Schwartz, S., Peterjohn, B.G. and Hines, J.E. 1996. The North American Breeding Bird Survey Home Page. Version 94.3 Natl. Biol. Serv., Patuxtent Wildlife Research Center, Laurel MD. URL: http://www.mbr.nbs.gov/bbs/bbs.html.
  • R563 - Sauer, J. R., J. E. Hines, and J. Fallon. 2001. The North American Breeding Bird Survey, Results and Analysis 1966 - 2000. Version 2001.2, USGS Patuxent Wildlife Research Center, Laurel, MD.
  • R1115 - Kushlan, J. A. 2007. Conserving Herons, A Conservation Action Plan for the Herons of the World. Heron Specialist Group and Station Biologique de la Tour du Valat, Arles, France.

Notes

  • S7607 - This estimate includes two other populations (W N Americas and W N Americas, N Mexico).



Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on