Caspian Tern - Sterna caspia Pallas, 1770 ― Synonym of Hydroprogne caspia

Mentioned in the following international legal instruments and agreements:

• EU Birds Directive
  • Annex I: Species that shall be the subject of special conservation measures concerning their habitat in order to ensure their survival and reproduction in their area of distribution. Member States shall classify territories as special protection areas for the conservation of these species.
• Bern Convention
  • Revised Annex I of Resolution 6 (1998) of the Bern Convention listing the species requiring specific habitat conservation measures (year of revision 2011)
• Bonn Convention
  • Annex II: migratory species which have an unfavourable conservation status and which require international agreements for their conservation and management, as well as those which have a conservation status which would significantly benefit from the international co-operation that could be achieved by an international agreement.
• AEWA
  • Annex II: Waterbird species to which the Agreement applies
• Helsinki Convention
  • Threatened and/or declining species in the Baltic Sea

All the information associated to this invalid name can be found on the page of the species or subspecies with the valid name.