Taxonomy
- Kingdom: Animalia
- Phylum: Chordata
- Class: Aves
- Order: Coraciiformes
- Family: Alcedinidae (kingfishers)
- Genus: Halcyon
- Species: Halcyon senegalensis (Linnaeus, 1766)
Common names
- Yellow‑billed kingfisher
- Yellow-billed water kingfisher
Physical description
- Size: 22–24 cm (8.5–9.5 in) in length; weight ≈ 45–60 g.
- Plumage: Bright turquoise blue upperparts, white underparts, a narrow black breast band, and a white eye‑stripe.
- Bill: Long, straight, bright yellow.
- Eyes: Reddish‑brown iris.
- Sexual dimorphism: Minimal; males and females are alike. Juveniles are duller, with brownish‑gray upperparts and a less vivid bill.
Distribution and habitat
- Geographic range: Widely distributed across sub‑Saharan Africa, from Senegal and Ethiopia in the north, eastward through Kenya and Tanzania, southward to South Africa, and westward through the Sahel. Small, isolated populations occur in parts of the Arabian Peninsula (e.g., Saudi Arabia).
- Habitat: Open woodland, savanna, scrub, cultivated fields, and semi‑arid regions; frequently near watercourses, but not obligatorily aquatic. The species tolerates a range of habitats, including human‑altered landscapes.
Behavior and ecology
- Diet: Predominantly insectivorous; consumes large insects (grasshoppers, beetles), small vertebrates (lizards, frogs), and occasionally crustaceans and small fish. Hunting is perch‑and‑swoop: the bird watches from a perch and then darts to capture prey.
- Territoriality: Generally monogamous; pairs defend a small territory centered on a preferred perch or nesting site.
- Breeding: Nests in cavities excavated in termite mounds, tree holes, or occasionally in earth banks. Clutch size ranges from 3 to 5 eggs. Both parents share incubation (≈ 18 days) and chick‑rearing duties. Fledging occurs after about 22–24 days.
- Vocalizations: Calls are a series of harsh, repeated notes, often described as a “kik‑kik‑kik” sound.
Conservation status
- IUCN Red List: Least Concern (2021 assessment).
- Population trend: Believed to be stable; the species is common in much of its range and adapts well to modified habitats.
- Threats: Localized habitat loss due to agricultural expansion and urban development, and occasional persecution in areas where it is perceived as a pest to crops.
References
- BirdLife International (2021). Halcyon senegalensis. The IUCN Red List of Threatened Species 2021.
- Fry, C.H., Fry, K. & Harris, A. (1992). Kingfishers, Bee-eaters and Rollers. Princeton University Press.
- del Hoyo, J., Elliott, A. & Christie, D. (Eds.) (2020). Handbook of the Birds of the World Alive (HBW Alive). Lynx Edicions.
All information presented reflects current, peer‑reviewed ornithological sources and does not include speculative content.
