World Bird List

Species factsheet
Blue-breasted Kingfisher (Halcyon malimbica)

Order: Halcyon malimbica
Family: Kingfishers (Alcedinidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
torquata Senegal and Gambia to Guinea-Bissau and w Mali
forbesi Sierra Leone to w Cameroon, Bioko I.
dryas Príncipe I. (Gulf of Guinea)
malimbica Cameroon to Uganda amd Zambia