Order Coraciiformes 12 species in 2 genera Size: Between 25 cm (Blue-throated Roller, Eurystomus gularis) and 40 cm (Rufous-crowned Roller, Coracias naevius). Distribution: Palearctic, Afrotropical, Oriental and Australasian Regions. Most of the species are migratory. Habitat: Forest, scrubland, savanna. Feeding: Insects and small invertebrates. Breeding: Cavities in trees, buildings or on the ground. 2-6 eggs. Incubation 18 days. Threat status: No threatened species [+info]