location, nests were active in July. The construction and siting of nests was similar to those in Costa Rica but the incubation length and time to fledging are not known. Vocalization The white-chinned swift's vocalizations have been described as "sharp chips and more melodious chirping notes; also explosive, staccato clicking notes", and they also make "single dry tick notes". Status The IUCN has assessed the white-chinned swift as being of Least Concern. It is widespread and has an estimated population of 20,000 to 50,000 mature individuals, though the latter is believed to be decreasing. No immediate threats have been identified. "This species is poorly known...and it has been found breeding at only a few sites." References white-chinned swift Birds of Belize Birds of Honduras Birds of Nicaragua Birds of Costa Rica Birds of Colombia Birds of Venezuela Birds of Ecuador Birds of Peru Birds of the Guianas Birds of the Amazon Basin white-chinned swift white-chinned swift Taxonomy articles created by Polbot