Population information

Order name Charadriiformes
Family name Laridae
Scientific name Gelochelidon macrotarsa Common name Australian Gull-billed Tern
Population name macrotarsa
Breeding range E & S Australia Non-breeding range Australia, New Zealand?
Red List Category Least Concern
Ramsar regions Oceania
Notes Gelochelidon nilotica and G. macrotarsa (del Hoyo and Collar 2014) were previously placed in the genus Sterna and lumped as S. nilotica (see BirdLife International (2016) Species factsheet: Gelochelidon macrotarsa.)

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 4 2003 2003 25,000 100,000 [R341]
WPE 1 0 0 -1 -1
WPE 2 0 0 -1 -1
WPE 3 0 0 -1 -1
WPE 5 2004 2004 25,000 100,000 Best guess [S7302] [R341]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 4 1990 2000 FLU [R341]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 3 0 0 Unknown
WPE 5 1982 2011 FLU Poor [R341]

Population 1% level

Publication Yearset 1 percent Note
WPE 4 2006 1000
WPE 1 0 -1
WPE 2 0 -1
WPE 3 0 -1
WPE 5 2012 1000

References

  • R341 - Jaensch, Roger, August 2005. Detailed data and notes on numbers and distribution of waterbirds in Australia, updated from Jaensch, 2003, and derived from more than 90 Australian sources including Wetlands International, Birds Australia and Jaensch, 2003,

Notes

  • S7302 - Estimate retained from WPE4; limited new information accessed, no grounds for change of estimate (but widening range to 10,000 - 100,000 could be considered).



Copyright Wetlands International 2012

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