Anas erythrorhyncha

Taille et tendance de la population
Population Intervalle de taille Qualité de la taille Estimation de la taille de la population Référence de la taille Notes de la taille
Intervalle de tendance Qualité de la tendance Tendance Référence de la tendance Notes de la tendance
Southern Africa1971-1993Best guess500,000-1,000,000 Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae [more]
1986-1996PoorSTA Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae [more]
Eastern Africa1971-1993Best guess100,000-300,000 Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae [more]
1986-1996PoorSTA Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae [more]
Madagascar1990-1993Best guess15,000-25,000 Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae [more]
1986-1996PoorDEC Scott, D.A. and Rose, P.M. 1996. Atlas of Anatidae [more]
More Information...
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