Population information

Order name Charadriiformes
Family name Laridae
Scientific name Thalasseus bengalensis Common name Lesser Crested Tern
Population name emigratus, S Mediterranean/NW & West Africa coasts
Breeding range Libyan coast Non-breeding range S Mediterannean, NW & W African coasts
Red List Category Least Concern
Ramsar regions Africa Europe
Notes Sometimes assigned to emigrata or torresii.

Conservation Framework

Conservation framework Notes
AEWA
EUBD
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 4,000 4,000 [R445]
WPE 4 0 0 4,000 4,000 [R445]
WPE 1 0 0 4,000 4,000 [R445]
WPE 2 0 0 4,000 4,000 [R445]
WPE 5 1993 1994 4,000 4,000 Expert opinion [R445]
CSR 4 1993 1994 4,000 4,000 Expert opinion [R445]
CSR 5 1993 1994 4,000 4,000 Expert opinion [R445]
CSR 6 2006 2010 6,000 7,000 Expert opinion [S8705]
CSR 6 2006 2010 6,000 7,000 Census based [S8706] [R1512]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1980 1993 STA [R602]
WPE 4 1980 1993 STA [R602]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1983 1993 STA Poor [R602]
CSR 4 1983 1993 STA Poor [R602]
CSR 5 1983 1993 STA Poor [R602]
CSR 6
CSR 6 2006 2010 STA Good [T6744]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 40
WPE 4 2006 40
WPE 1 1994 40
WPE 2 1997 40
WPE 5 2012 40
CSR 4 0 -1
CSR 5 0 -1

References

  • R445 - Meininger, P.L., Wolf, P.A., Hadoud, D.A. and Essghaier, M.F.A. 1994. Rediscovery of Lesser crested Terns breeding in Libya. British Birds 87.
  • R602 - Snow, D.W. and Perrins, C.M. (1998). The Birds of the Western Palearctic. Concise Edition. Volume 1: Non-Passerines. Oxford University Press, Oxford and New York. 1008 pp.
  • R1512 - Hamza A., Azafzaf H., 2012, The Lesser crested Tern, Sterna bengalensis, State of knowledge and conservation in the Mediterranean Small Islands. Initiative PIM. 20p

Notes

  • S8705 - 1,929-2,264 pairs in Libya between 2006 and 2010.
  • S8706 - 1,929-2,264 pairs in Libya between 2006 and 2010.
  • T6744 - Little variation in size of Libyan breeding population between 2006 and 2010.
  • T7064 - Little variation in size of Libyan breeding population between 2006 and 2010.



Copyright Wetlands International 2012

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