The Little Green Pigeon (Treron olax) is a species of bird in the Columbidae family. It is found in Brunei, Indonesia, Malaysia, Singapore, and Thailand. Its natural habitat is subtropical or tropical moist lowland forests. It is characterized as being relatively small in size and green.
Previously a resident in Singapore, it is now a vagrant.
It inhabits forested areas.
It can be told apart from other green pigeons, by its white iris. The male has a greyish head, orange breast and maroon upperwings. The female is mainly green in colour.