World Bird List

Species factsheet
Black Phoebe (Sayornis nigricans)

Order: Sayornis nigricans
Family: Tyrant Flycatchers, Calyptura (Tyrannidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
nigricans ne, c, s Mexico
semiater w USA and w Mexico
aquaticus s Mexico to Nicaragua
amnicola Costa Rica and w Panama
angustirostris e Panama, n Colombia and n, w Venezuela to Peru
latirostris Bolivia and nw Argentina