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Order
Family
Species
Population
Discontinued Size - year Size Size estimate quality Size references Trend - year Trend Trend quality Trend references 1% threshold 1% yearset Notes
Charadriiformes
Laridae
Larus occidentalis (Western Gull)
occidentalis 0 - 0 31,500 - 34,500 [R525] 0 - 0 Unknown No idea 330 2012
wymani 0 - 0 84,000 - 84,000 [R525] 1965 - 1980 INC [R165] 840 2012

References

  • R525 - Pierotti, R.J. and Annett, C.A. 1995. Western Gull (Larus occidentalis). In: The birds of North America, No 174. (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA and The American Ornithologists' Union, Washington D.C.
  • 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.

Notes




Copyright Wetlands International 2012

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