Cook's Swifts breed in limestone caves of Thailand, Myanmar and Indochina has a green iridescence, a shallow tail fork and is a short distance migrant.
The species has a green iridescence, a shallow tail fork and is a short distance migrant. Cook's Swifts breed in limestone caves of Thailand, Myanmar and Indochina.
Cook's Swifts breed in limestone caves of Thailand, Myanmar and Indochina. The species has a green iridescence, a shallow tail fork and is a short distance migrant.
Cook's Swifts breed in limestone caves of Thailand, Myanmar and Indochina. The species has a green iridescence, a shallow tail fork and is a short distance migrant.