Overview
• Scientific name: Coracias caudatus
• Family: Coraciidae (rollers)
• Range: Eastern and southern Africa
• Habitat: Open savanna, woodland edges, grasslands with scattered trees
• Status: Least Concern (stable and widespread)
They’re named “rollers” because of their acrobatic rolling and diving displays, especially during courtship and territorial defense.
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Diet & Feeding Behavior
Primary diet: Carnivorous, mostly insectivorous
Prey items
• Large insects:
• Grasshoppers
• Beetles
• Crickets
• Termites
• Small vertebrates (opportunistic):
• Lizards
• Skinks
• Frogs
• Small snakes
• Occasionally rodents or small birds
Hunting strategy
• Sit-and-wait predator
• Perches conspicuously on trees, shrubs, fence posts, or poles
• Watches the ground, then drops quickly to seize prey
• Often beats prey against a branch or the ground before swallowing
They are active during daylight and feed most heavily in the early morning and late afternoon.
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Social Behavior
• Generally solitary or in pairs
• Strongly territorial during breeding season
• Outside breeding, may tolerate nearby rollers but do not form large flocks
• Very bold and visible; often remains perched even when vehicles approach
They are not shy birds—this confidence is one reason they’re so iconic on safari drives.
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Mating & Courtship
Pair bonding
• Monogamous, often forming long-term pair bonds
• Pairs may reuse the same nesting area year after year
Courtship displays
• Aerial acrobatics:
• Rolling side-to-side
• Diving and looping
• Wing-flapping displays showing vivid blue and lilac colors
• Vocalizations accompany displays—harsh, crow-like calls
These displays serve both mate attraction and territory defense.
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Nesting Behavior
Nest sites
• Natural tree cavities
• Old woodpecker holes
• Termite mounds (arboreal)
• Occasionally cliff faces or earthen banks
Nest preparation
• No nest material added
• Eggs are laid directly on the cavity floor
They are cavity nesters but do not excavate their own holes.
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Egg Counts & Incubation
• Clutch size: 2–4 eggs (most commonly 3)
• Egg color: White, round, and glossy
• Incubation period: ~22–24 days
• Both parents incubate, though the female does slightly more
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Chick Development
• Chicks hatch altricial (blind and helpless)
• Fed insects and small prey by both parents
• Remain in the nest for about 19–23 days
• After fledging, young stay with parents for several weeks
Juveniles are duller in color, with less vivid blues and lilacs.
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Lifespan
• Wild lifespan: Typically 8–10 years
• Some individuals may live longer under favorable conditions
Mortality is highest in juveniles during their first year.
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Migration & Movement
• Not long-distance migratory
• Classified as resident to locally nomadic
• May move short distances seasonally in response to:
• Rainfall
• Insect abundance
• Breeding conditions
In drought years, they may temporarily abandon an area.
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Predators
Adults
• Raptors (hawks, eagles)
• Large snakes (especially at nest sites)
Eggs & chicks
• Snakes
• Monitor lizards
• Mongooses
• Larger birds
Their choice of elevated cavities helps reduce predation risk.
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Defense & Survival Strategies
• Bright coloration may act as startle or confusion display
• Aggressive territorial defense near nests
• Loud calls to alert mates of danger
• Excellent vision and rapid flight response
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Ecological Role
• Important insect population control
• Indicator species for healthy savanna ecosystems
• Helps balance insect outbreaks after rains
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Fun & Lesser-Known Facts
• National bird of Kenya
• Coloration comes from feather structure, not pigment
• Males and females look nearly identical
• Often chosen by photographers because it stays perched and visible
• Frequently returns to the same perch after hunting