Population information

Order name Anseriformes
Family name Anatidae
Scientific name Anas platyrhynchos Common name Mallard
Population name oustaleti
Breeding range Mariana Islands Non-breeding range
Red List Category Least Concern
Ramsar regions Oceania
Notes Possibly unstable hybrid between platyrhynchos and superciliosa.

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 0 0 [R214]
WPE 3 0 0 0 0 [R214]
WPE 4 0 0 0 0 [R214]
WPE 5 0 0 0 0 [R214]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1972 1992 EXT [R214]
WPE 2 1972 1992 EXT [R214]
WPE 3 1972 1992 EXT [R214]
WPE 4 1972 1992 EXT [R214]
WPE 5 1972 1992 EXT [R214]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 1997 1
WPE 3 0 -1
WPE 4 0 -1
WPE 5 0 -1

References

  • R214 - Ellis-Joseph, S., Hewston, N. and Green, A. (compilers). 1992. Global Waterfowl Conservation Assessment and Management Plan: First Review Draft. Report by the IUCN Captive Breeding Specialist Group and The Wildfowl and Wetlands Trust. 1992. 77 pp.

Notes




Copyright Wetlands International 2012

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