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Genus Eurystomus
Purple Roller - Its natural habitats are subtropical or tropical moist lowland forests and plantations . It is negatively affected by habitat loss. For some time, it was assumed to be decreasing in numbers quite rapidly and it was uplisted to Vulnerable in the 2000 IUCN Red List. However, more recently it was determined to be - although still declining - more common than previously believed and thus it is downlisted to Near Threatened in 2007.
Broad-billed Roller - The Broad-billed Roller is 29-30 cm in length. It has a warm back and head, lilac foreneck and breast, with the rest of the plumage mainly brown. The broad bill is bright yellow. Sexes are similar, but the juvenile is a drabber version of the adult, with a pale breast.
Blue-throated Roller - The Blue-throated Roller is a species of bird in the Coraciidae family. It is found in Angola, Benin, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Nigeria, Sierra Leone, Togo, and Uganda.
Dollar roller - It has a length of up to 30cm, and can be found in east Asia from northern Australia to the Japan archipelago. The bird is an insectivore with a love of beetles and often catches prey whilst flying. The young birds have a darker beak which becomes more orange as it becomes mature.