sentence: distribution and subspecies there are six subspecies of the edible-nest swiftlet : a. f. fuciphagus - the nominate subspecies found in java , bali and the western lesser sunda islands a. f. inexpectatus - andaman and nicobar islands , vagrant to burma a. f. dammermani - flores , known from only a single specimen a. f. micans - eastern lesser sundas ( sumba , savu and timor ) a. f. vestitus - sumatra and borneo , sometimes considered to be a separate species , the brown-rumped swiftlet , aerodramus vestitus ( lesson , 1843 ) .