IUCN has officially declared the Slender-billed Curlew (Numeniustenuirostris) extinct.
It is the first known global extinction of a formerly widespread migratory bird species whose range once covered mainland Europe, North Africa, and West Asia.
The species was listed under CMS Appendix I and II at the signing of the Convention in 1979. ▪ Last confirmed sighting: September 1994—five months after an earlier unconfirmed observation
Convention on the Conservation of Migratory Species (CMS),also known as: Bonn Convention.
Type: International environmental treaty under the United Nations Environment Programme (UNEP).
Aim: To ensure conservation and sustainable use of migratory animals and their habitats across their entire range.
Location / HQ: Bonn, Germany
Signed: 23 June 1979 in Bonn, Germany.
Legally binding treaties → called Agreements.
Non-binding instruments → MoUs (Memoranda of Understanding)