Tachycineta cyaneoviridis
Bahamas Swallow
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The Bahama Swallow breeds only in the northern Bahama Islands (Grand Bahama, Great Abaco, Andros, and New Providence) and is the most restricted geographically and possibly has the smallest population size of any Tachycineta species. They prefer islands with pine trees for breeding, but occur on other islands during the non-breeding season. Bahama Swallows are migratory over short distances, occurring mostly in eastern Cuba and on the more southern Bahama Islands.

This is the focal species of the Abaco Island Golondrinas Site in the Bahamas.

Bahama Swallows typically forage quite high in the air column, frequently using a gliding flight.

The breeding biology of this species is little known. Nesting apparently commences in late April to early May. Nest sites are almost entirely limited to secondary cavities in pine trees, but the species will readily accept nest boxes. Little is known about the characteristics of the nests.

The clutch size is only three eggs, smaller than any other Tachycineta species. Little is known of the duration of incubation and nestling stages.