Purple roller

Purple roller

Rufous-crowned roller

Kingdom
Phylum
Class
Subclass
Infraclass
Superorder
Family
Genus
SPECIES
Coracias naevius

The purple roller (Coracias naevius ), or rufous-crowned roller, is a medium-sized bird widespread in sub-Saharan Africa. Compared with other rollers its colours are rather dull and its voice rather harsh and grating.

Appearance

The purple roller is the largest of the rollers, growing to a length of 35 to 40 cm (14 to 16 in). Adults weigh from 145 to 200 g (5.1 to 7.1 oz) with an average weight of 168 g (5.9 oz). From a distance it appears a dull brownish bird with a white stripe over the eye, a patch of white on the nape and a dark tail. Northern populations tend to have a rufus crown while southern populations have a more olive-green crown. The underparts are purplish-pink streaked with white. The wings are long and rounded while the tail is square-cut. The voice is a rather grating "ka" or "gaa", repeated rapidly and evenly.

Habits and Lifestyle

Its preferred habitat is dry thornveld where it spends long periods perched at the top of thorn trees or poles, watching for food items such as insects, spiders, scorpions and small lizards on the ground. It rocks to-and-fro about its longitudinal axis during display flights, calling raucously all the while; starting from above the treetops it plummets towards the ground in rolling flight. It is territorial, and during the breeding season will drive off other rollers, small hawks and crows.

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This species seems to be an opportunist breeder, possibly linked to rains, as its breeding season varies from place to place. It nests in natural hollows in trees or uses old woodpecker holes, or in cliffs, riverbanks, pipes or holes in masonry, usually laying three white eggs. The young are fed and incubated by both parents.

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Lifestyle
Seasonal behavior
Bird's call

Diet and Nutrition

Population

References

1. Purple roller Wikipedia article - https://en.wikipedia.org/wiki/Purple_roller
2. Purple roller on The IUCN Red List site - https://www.iucnredlist.org/species/22682892/92967155
3. Xeno-canto bird call - https://xeno-canto.org/358271

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