World Bird List

Species factsheet
Dusky-blue Flycatcher (Muscicapa comitata)

Order: Muscicapa comitata
Family: Chats, Old World Flycatchers (Muscicapidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
aximensis Sierra Leone to Nigeria
camerunensis Mt. Cameroon (sw Cameroon)
comitata Cameroon to sw Sudan, Uganda, DR Congo and Angola
Annoncer