24 cm. It varies from blue to green above while the underparts can be white and it also has a white collar around the neck. Some races have a white or buff stripe over the eye while others have a white spot between the eye and bill. There may be a black stripe through the eye. The large bill is black with a pale yellow base to the lower mandible. Females tend to be greener than the males. Immature birds are duller than the adults with dark scaly markings on the neck and breast.
Habitat: Lankayan Island, Sabah.
The collared kingfisher is a medium-sized kingfisher belonging to the family Halcyonidae, the tree kingfishers. It is also known as the white-collared kingfisher or mangrove kingfisher. It has a wide range extending from the Red Sea across southern Asia and Australasia to Polynesia. It is a very variable species with about 50 subspecies.