Streptoprocne zonaris (White-collared Swift)
Streptoprocne zonaris (Shaw, 1796)
20-22 cm The largest swift in Ecuador, with very long wings. Mainly black, with a contrasting white collar that becomes broader on the breast. Long, barely forked tail. The collar is less extensive and conspicuous in juveniles, which also show white scaling on the breast. Somewhat similar to the…
