The pink-necked green pigeon (Treron vernans) is a bird of the family Columbidae. It is found in Cambodia, Indonesia, Brunei, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and Vietnam. Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical mangrove forest, and subtropical or tropical moist montane forest.

(Source: https://en.wikipedia.org/wiki/Pink-necked_green_pigeon)