The Convention on the Conservation of Migratory Species of Wild Animals, also known as the Convention on Migratory Species (CMS) or the Bonn Convention, is an international agreement that aims to conserve migratory species throughout their ranges. The agreement was signed under the auspices of the United Nations Environment Programme and is concerned with conservation of wildlife and habitats on a global scale.
Signed in 1979 in Bonn, West Germany, the convention entered into force in 1983. As of September 2020, there are 131 Member States to the convention. The depositary is the Government of the Federal Republic of Germany.