Costa Rican Swift (Chaetura fumosa) [XC274408]
by id from Esquinas lodge, Piedras Blancas NP, Puntarenas, Costa Rica (call)
Costa Rican Swift (Chaetura fumosa) [XC71725]
by Peter Boesman from Tarcoles River mouth, Costa Rica (call)
Subspecies
Chaetura spinicauda (Sibley and Monroe 1990, 1993) has been split into Band-rumped Swift (Chaetura spinicaudus) and Costa Rican Swift (Chaetura fumosa) following AOU (1998). Gender agreement of Chaetura spinicaudus follows David and Gosselin (2002a).
Considered by some authors to be a subspecies of Band-rumped Swift (Chaetura spinicaudus).