Abstract
Results of an aerial survey of the western population of Anser erythropus (Anserini) in autumn migration in Russia 2017
Highlights
Anser erythropus Linnaeus, 1758 is the smallest of the geese in the genus Anser
The species is globally threatened, being recognised as Vulnerable by IUCN – The World Conservation Union (IUCN, 2006). This species ranked by BirdLife International as ‘SPEC 1’ within Europe, denoting a European species of global conservation concern (BirdLife International, 2004)
It is listed in Annex 1 of the European Council Directive of April 2 1979 on the conservation of wild birds (79/409/ EEC), in Column A of the Action Plan under the African-Eurasian Migratory Waterbird Agreement (AEWA) and in Annex II «Strictly protected species» of the Bern Convention
Summary
Anser erythropus Linnaeus, 1758 is the smallest of the geese in the genus Anser. The species is globally threatened, being recognised as Vulnerable by IUCN – The World Conservation Union (IUCN, 2006). This species ranked by BirdLife International as ‘SPEC 1’ within Europe, denoting a European species of global conservation concern (BirdLife International, 2004) It is listed in Annex 1 of the European Council Directive of April 2 1979 on the conservation of wild birds (79/409/ EEC), in Column A of the Action Plan under the African-Eurasian Migratory Waterbird Agreement (AEWA) and in Annex II «Strictly protected species» of the Bern Convention. Four subpopulations can be recognised, three of which are surviving components of the species’ formerly more extensive breeding range.
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