Population information

Order name Charadriiformes
Family name Laridae
Scientific name Larus crassirostris Common name Black-tailed Gull
Population name E Asia
Breeding range Coasts SE Russia, Japan, Korea, E China Non-breeding range E Asia Pacific coast N Japan to NE China Sea
Red List Category Least Concern
Ramsar regions Asia
Notes

Conservation Framework

Conservation framework Notes
EAAF Partnership
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 160,000 160,000 [R165]
WPE 2 0 0 160,000 160,000 [R165]
WPE 3 0 0 160,000 160,000 [R165]
WPE 4 0 0 1,050,000 1,050,000 [S2097] [R428]
WPE 5 0 0 1,050,000 1,050,000 [S7187] [R428]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1977 1991 STA [R519]
WPE 2 1977 1991 STA [R519]
WPE 3 1977 1991 STA [R519]
WPE 4 1977 1991 STA [R519]
WPE 5 1977 1991 STA [R519]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 1600
WPE 2 1997 1600
WPE 3 2002 1600
WPE 4 2006 10500
WPE 5 2012 10500

References

  • R165 - Croxall, J.P., Evans, P.G.H. and Schreiber, R.W. (eds.). 1984. Status and Conservation of the World's Seabirds. ICBP Technical Publication No. 2. Cambridge, UK.
  • R519 - Perennou, C.P., Mundkur, T. and Scott, D.A. 1994. The Asian Waterfowl Census 1987-1991: distribution and status of Asian waterfowl. IWRB Spec. Publ. No. 24; AWB Spec. Publ. No. 86. Slimbridge, UK and Kuala Lumpur, Malaysia.
  • R428 - Malling Olsen, K. and Larsson, H. 2002. Gulls of Europe, Asia and North America. Helm and Princeton University Press.

Notes

  • S2097 - 434: Breeding population < 350,000 pairs (1,050,000 individuals).
  • S7187 - 434: Breeding population < 350,000 pairs (1,050,000 individuals).



Copyright Wetlands International 2012

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