(sources: Wikipedia & Toronto Zoo websites) The Blue-bellied Roller (Coracias cyanogaster) is a member of the roller family of birds which breeds across Africa in a narrow rainforest belt from Senegal to northeast Democratic Republic of the Congo.It is resident, apart from some local seasonal movements, in mature moist savannah dominated by Isoberlinia trees. and C.H.B. Azure-blue, slightly forked tail. Princeton University Press. and beak, weak feet and legs, and three anterior toes. Populations are decreasing but not at a high rate, leading to their listing as Least Concern by the IUCN. The three anterior toes are joined along their basal segments. 1957. The Blue-Bellied Roller is mainly blue, with a dark-green back, and white head, neck, and chest. Birds of Eastern and North Eastern Africa. It has a thick short black beak, dark eyes, and pale-yellow legs. Mail: P.O. Specifications: Tip of the beak has damage Left foot is missing 1 toe Skull Length 6.5cm (2.6in) Skull Width 3.3cm (1.3in) Skull Height 2.7cm (1.1in) Widespread and common throughout its large range, the Blue-bellied Roller is evaluated as Least Concern on the IUCN Red List of Threatened Species. Courtship involves fast chases on the wing with the following bird breaking away and rocketing earthwards, rolling from side to side and calling raucously all the while. Groups of blue-bellied rollers are usually from 3 to 7 individuals, though they can be larger. Rollers are usually brown and blue. The Blue-Bellied Roller is mainly blue, with a dark-green back, and white head, neck, and chest. The Maryland Zoo in Baltimore, 20 Sept. 2017, http://www.marylandzoo.org/animals-conservation/birds/blue-bellied-roller/. Not sexually dimorphic. Oakland Zoo has blue-bellied rollers on exhibit to educate the public about this bird. Head and upper mantle are white while the back is greenish black. Blue-bellied rollers make some seasonal movements but no great migration. They are mostly insectivores and will catch insects in the air while flying. The Blue-bellied Roller is a large bird, nearly the size of a Jackdaw at 28-30 cm. Incubation lasts about three weeks and the young are fledged in about four weeks. Martina Nicolls is the author of Similar But Different in the Animal Kingdom and other books. Blue-Bellied Roller It grows… The IUCN Red List of Threatened Species 2016: e.T22682908A92967763. The Blue-Bellied Roller is native to Africa, in a narrow belt of countries from Senegal to the Democratic Republic of the Congo. You can help blue-bellied rollers by educating your friends and family about habitat loss as a conservation issue. "Social, sexual and pseudosexual behavior of the Blue-bellied Roller, Coracias cynogaster: the consequences of crowding or concentration" Smithsonian Contributions to Zoology, 491:1-23. But even without them, the blue-bellied roller is impressive in flight with the vivid blues of its wings, belly and tail contrasting with a white upper body. Rollers are usually brown and blue. They are mostly insectivores and will catch insects in the air while flying. The male and female roller will incubate the eggs though it is unclear how much time the male spends in this role. SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM. It has blue wings. Central Africa; Senegal and Gambia to Sudan. 2016. Mackworth-Praed, C.W. What is the difference between the Emu and the Rhea? A savanna species often found in forest and woodlands. They nest in holes in trees and lay two or three white eggs. They have a strong body and a crow-like beak widened at the base. The outer tail feathers are 6 cm long and called tail streamers. It is a large bird, 34 – 36 cm (14 – 15 in) including the long forked tail. In … They will nest in old tree cavities and lay 2 to 4 eggs. Kingfishers, Bee-eaters and Rollers: A Handbook. The 11 species of roller occur in Africa, Asia, and Europe. The Blue-Bellied Roller makes a nest in holes in trees. Sorry, your blog cannot share posts by email. © 2020 Oakland Zoo. This trait also helps other animals who are also beleaguered by pest insects. It has blue wings. They can reach 12 inches in length and average five ounces in weight. They are conspicuous and usually noisy birds. Longmans Green & Co. Moynihan, M. 1990. They are social birds that live in small groups, and they feed primarily on small reptiles and invertebrates. They will also frequent grass fires to catch the fleeing insects. All rights reserved. Australasian Swamphen and Western Swamphen: what’s the difference? The Blue-Bellied Roller (Coracias cyanogaster) is a medium-sized bird. Post was not sent - check your email addresses! Cream colored head and chest, pale blue belly and dark blue or dark green wings. The 11 species of roller occur in Africa, Asia, and Europe. [Location of photographs: Parc Zoologique de Paris in Bois de Vincennes, France], Martina Nicolls: SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM. Coracias cyanogaster. The tail streamer on an adult is 6 cm long.They have very keen eyesight and are among the first birds to come to a grassfire, termite hatch or locust swarm. It feeds on insects, such as grasshoppers. Behavior: Arboreal, diurnal, migratory, territorial. They have short legs and weak feet and rarely walk or hop. London. They have adapted to live near humans where there is cleared ground. They will also attack other animals together to defend their territory. They are good flyers with long wings. It prefers mature, moist savannah with trees, such as dry wooded areas and lowlands. They frequent the topmost branches of tall trees from which they indulge in wild erratic flights, accompanied by loud cries and attack any large bird that passes. This site uses Akismet to reduce spam. Blue-bellied rollers mostly eat insects but will also eat small reptiles and oil palm fruit. It has blue wings. Its tail has streamers which trail behind it when it flies. Named for their colorful blue stomach, blue-bellied rollers have cream-colored heads and chests; darker blue wings; and a vibrant, slightly forked tail. Perched, it resembles a crow with its stocky build and large beak. The rest of the body is dark blue and the tail feathers are light blue. Vol, 1. As an insectivore and being well-adapted to human areas, blue-bellied rollers help humans by keeping down insect pest populations. Large beak and woodlands territorial and reversed copulations have been witnessed which seem to be dominance displays accentuates white. Oakland Zoo has blue-bellied rollers are usually from 3 to 7 individuals certain populations range blue-bellied... 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