American Black Swift

Subspecies (3)

• Cypseloides niger borealis

  breeds in North America from southeastern Alaska southward to southern Mexico; nonbreeding range poorly known, but breeders from Colorado migrate to southwestern Brazil

• Cypseloides niger costaricensis

  breeds in the highlands of Costa Rica; nonbreeding range not known

• Cypseloides niger niger

  West Indies, Trinidad, and Guyana (Merumé Mountains)