However the vote was a close one, members of the European Union supporting registration and some countries that are the homelands of birds in question objecting.
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In his book Macaw: The Race to Save the World's Rarest Bird he criticized the private holders of birds such as Antonio de Dios's Birds International, arguing that the Spix's Macaws should be returned to their native country, Brazil, for captive breeding and reintroduction to their natural habitat, which is still in decline.