| geographical variation in echolocation call and body size of the okinawan least horseshoe bat, rhinolophus pumilus (mammalia: rhinolophidae), on okinawa-jima island, ryukyu archipelago, japan. | the okinawan least horseshoe bat, rhinolophus pumilus, is a cave-dwelling species endemic to the central and southern ryukyus, japan. we analyzed variation in the constant frequency (cf) of the echolocation call and in forearm length (fal) of this species on okinawa-jima island on the basis of data for 479 individuals from 11 caves scattered over the island. cf values in samples from six caves, all located in the southwestern half of okinawa-jima, were significantly higher than those in samples ... | 2006 | 16971783 |