Convergent in birds. the region of the earth that surrounds the equator, from 23.5 degrees north to 23.5 degrees south. European rollers (Coracias garrulus) live for approximately 8.9 years in captivity. IUCN Redlist of Threatened Species: Coracias cyanogaster October 08, 2006 Fire and grazing are important in the long-term maintenance of grasslands. In birds, naked and helpless after hatching. This is a common bird of warm open country with some trees. They have heavy, downward-curved beaks and short legs to fit their stocky bodies. Smithsonian Contributions to Zoology, Number 491: 1-23. the area in which the animal is naturally found, the region in which it is endemic. Sexes are similar, but the juvenile is a drabber version of the adult. (Cave and MacDonald, 1955; Fry, et al., 1988; Moynihan, 1990), Blue-bellied rollers are small birds with relatively large heads. Disclaimer: Iteroparous animals must, by definition, survive over multiple seasons (or periodic condition changes). The average blue-bellied roller can be up to 35 centimetres (cm) long. birding.in. (Ali, 2005/2006; Bannerman, 1953; Fry, et al., 1988), Blue-bellied rollers feed their young by means of regurgitation. The blue-bellied roller is a carnivore that feeds on just about any invertebrate it finds on the ground. (Mackworth-Praed and Grant, 1970) Biogeographic Regions; ethiopian. Animals with bilateral symmetry have dorsal and ventral sides, as well as anterior and posterior ends. A terrestrial biome found in temperate latitudes (>23.5° N or S latitude). These birds are not currently in any danger of extinction. Referring to an animal that lives in trees; tree-climbing. See also Tropical savanna and grassland biome. There are no known polymorphisms or subspecies. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Blue-bellied rollers are found in western and central Africa, from Senegal eastward to southern Sudan. These rollers like to eat grasshoppers, large insects and small Pairs and small groups of blue-bellied rollers often defend territories as large as 10,000 square meters. types of roller, the blue-bellied roller is seen as the most Norwich, Great Britain: Jarrold & Sons Ltd. Max Planck Institute, 2002. Out of the four different Both parents feed nestlings for 30 days and for up to 20 days after fledging. gonochoric/gonochoristic/dioecious (sexes separate), "IUCN Redlist of Threatened Species", 2001, http://www.iucnredlist.org/search/details.php/47672/summ, http://www.birding.in/birds/Coraciiformes/coraciidae.htm, http://www.demogr.mpg.de/longevityrecords/0303.htm, http://www.houstonzoo.org/Animal/viewAnimalDetail.asp?scriptaction=showanimal&Animal_Preview_Flag=0&animal_ID=84. scrub forests develop in areas that experience dry seasons. Accessed defends an area within the home range, occupied by a single animals or group of animals of the same species and held through overt defense, display, or advertisement. (On-line). They have an average wingspan of 359 mm, with each wing measuring an average length of 183 mm. Blue-bellied rollers have cream-colored heads and chests, with pale-blue bellies and dark blue or dark green wings. (Cave and MacDonald, 1955; Zoo, 2003/2006; Cave and MacDonald, 1955; Fry, et al., 1988; Zoo, 2003/2006), Blue-bellied rollers undergo courtship when specific rollers call loudly and raucously to attract their mates. Scientific Name: Coracias cyanogaster Common Name: Blue-bellied Roller AZA Management: ☐ Green ☒ Yellow ☐ Red ☐ None Photo (Male and Female): NATURAL HISTORY: Geographic Range: Europe ☐ Asia ☐ North America ☐ Neotropical ☐ Africa ☒ Australia ☐ Other Click here to enter text. at 28-30 cm. Adults have 6cm tail streamers. brilliant blues of the wings contrasting with the dark back and white Contributor Galleries 1955. The Birds of West and Equatorial Africa. (Fry, et al., 1988; Moynihan, 1990; Zoo, 2003/2006). Size November 08, 2006 Synapomorphy of the Bilateria. © 2020 Regents of the University of Michigan. (Fry, et al., 1988; Moynihan, 1990; Zoo, 2003/2006), Blue-bellied rollers breed in the spring and summer months, from April to July. Diet Blue-bellied rollers also feed on some small vertebrates, including colubrid snakes. Search in feature Widespread and abundant taxa are included in this category. well as the “rolling” behavior noticed in their courtship ritual while 2007. "Coracias cyanogaster" (On-line), Animal Diversity Web. (Moynihan, 1990), Blue-bellied rollers act as predators towards large insect populations in central and western Africa. Males and females engage in a fast chasing flight, described above. active during the day, 2. lasting for one day. associates with others of its species; forms social groups. colourful. Birds of West Central and Western Africa. Tanya Dewey (editor), Animal Diversity Web. The ADW Team gratefully acknowledges their support. Some blue-bellied rollers migrate during the wet season (in winter). living in sub-Saharan Africa (south of 30 degrees north) and Madagascar. Information about the classification of cyanogaster. Juveniles are typically smaller than adults, with duller coloration and a shorter tail. Bannerman, D. 1953. Ali, D. 2005/2006. These activities are used to show territoriality, maintain group unity, and initiate courtship. having the capacity to move from one place to another. 24/28 Oval Road, London, England: Harcourt Brace Jovanovich. Our World of Animals - Animal Information. like giant shrikes, whilst watching for the grasshoppers and other Blue-bellied rollers are sometimes monogamous and sometimes promiscuous. at http://www.houstonzoo.org/Animal/viewAnimalDetail.asp?scriptaction=showanimal&Animal_Preview_Flag=0&animal_ID=84. They generally lay two or three eggs per season. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control. A terrestrial biome. (On-line). Taxon Information (Moynihan, 1990), Social interaction and communication among blue-bellied rollers consists of calling, flying together, and chasing. In one Côte d’Ivoire survey of their stomach contents, their preferences were found to be: 30% grasshoppers, 28% beetles and 16% termites and ants. young are born in a relatively underdeveloped state; they are unable to feed or care for themselves or locomote independently for a period of time after birth/hatching. roges, JoseMiguel, jaycee, Chiza, Gert-Paassen, eng55, xTauruSx, anel, The Blue-bellied Roller, Coracias cyanogaster is a member of the "Blue-bellied roller" National Science Foundation Grants DRL 0089283, DRL 0628151, DUE 0633095, DRL 0918590, and DUE 1122742. Social, sexual, and pseudosexual behavior of the blue-bellied roller, Coracias cyanogaster: the consequences of crowding or concentration. Cynogaster: the consequences of crowding or concentration '' smithsonian Contributions to Zoology, Number 491: 1-23 roller... And small lizards parents feed the nestlings for 30 days after fledging reproduction that includes combining genetic... 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