Population information

Nom ordre Charadriiformes
Nom famille Laridae
Nom scientifique Thalasseus bergii Nom courant Greater Crested Tern
Nom population cristatus
Aire de reproduction Japan, Taiwan, E. China, Indonesia - Philippines, E Australia, SW Pacific Is Aire de non-reproduction
Catégorie de la Liste Rouge Least Concern
Regions Ramsar Asia Oceania
Notes

Réseau de conservation

Réseau de conservation Notes
EAAF Partnership
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 0 0 -1 -1 No quality assessment
WPE 2 0 0 -1 -1 No quality assessment
WPE 3 0 0 -1 -1 No quality assessment
WPE 4 0 0 -1 -1 No quality assessment
WPE 5 1995 1995 100,000 1,000,000 Best guess [S7336] [R313] [R1101]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 0 0 Unknown No quality assessment
WPE 2 0 0 Unknown No quality assessment
WPE 3 0 0 Unknown No quality assessment
WPE 4 0 0 Unknown No quality assessment
WPE 5 1982 2011 STA/INC? No idea [T4517] [R1126]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 -1 -1 Not Set
WPE 2 -1 -1 Not Set
WPE 3 -1 -1 Not Set
WPE 4 -1 -1 Not Set
WPE 5 2012 10000

References

  • R313 - Marchant, S.M. and Higgins, P.J. 1993. Handbook of Australian, New Zealand and Antarctic Birds. Volume 2: Raptors to Lapwings. Oxford University Press, Melbourne, Australia.
  • R1101 - Jaensch, R. April 2012. Detailed data and notes on numbers and trends of waterbirds in Australia and other parts of the Oceania region, in a spreadsheet prepared for Wetlands International - Oceania for the 5th edition of WPE.
  • R1126 - Minton, C.D.T. In litt. 19, 23 and 27 April 2012 (Victorian Wader Study Group).

Notes

  • S7336 - First and preliminary estimate is based on maximum sizes of known breeding colonies around Australian coast with allowance for likely minimum numbers in other parts of extensive range.
  • T4517 - Long-term increase recorded in S Australia at some colonies where site management has been effective.



Copyright Wetlands International 2012

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