Bernard Castelein / Blue-breasted kingfisher (Halcyon malimbica) perched in tree, Gambia.

Bernard Castelein / Blue-breasted kingfisher (Halcyon malimbica) with crab in beak, perched in tree. Gambia.

Luis Quinta / Great kingfisher (Halcyon malimbica dryas) Principe Island, UNESCO World Heritage Site, Democratic Republic of Sao Tome and Principe, Gulf of Guinea.

David Pattyn / Blue-breasted kingfisher (Halcyon malimbica) perched, Gambia, Africa, May.

David Pattyn / Blue-breasted kingfisher (Halcyon malimbica) perched, Gambia, Africa, May.

Jabruson / Blue-breasted Kingfisher (Halcyon malimbicus) portrait, Tongo, Virunga National Park, Kivu, Democratic Republic of Congo