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1 results

  • First census of the white-shouldered ibis Pseudibis davisoni reveals roost-site mismatch with Cambodia's protected areas

  • Hugh L. Wright, Nigel J. Collar, Iain R. Lake, Net Norin, Rours Vann, Sok Ko, Sum Phearun, Paul M. Dolman
  • Journal:
    Oryx / Volume 46 / Issue 2 / April 2012
    Published online by Cambridge University Press:
    08 March 2012, pp. 236-239
    Print publication:
    April 2012
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  • The population size of the Critically Endangered white-shouldered ibis Pseudibis davisoni has always been poorly known. The first-ever census across Cambodia in 2009–2010 using simultaneous counts at multiple roost sites found substantially more birds than previously estimated, with a minimum of 523 individuals. The census allowed us to make a revised global population estimate of 731–856 individuals, increasing hope for the species' long-term survival. However, the largest subpopulations are imminently threatened by development and c. 75% of the birds counted in Cambodia were outside protected areas.