They studied three variants of the large-eared horseshoe bat, a Southeast Asian species.

Greater Large-eared Horseshoe Bat, Rhinolophus philippinensis (large form)

Work from one species, the large-eared horseshoe bat (Rhinolophus philippinensis), shows that abrupt changes in call frequency among sympatric morphs is correlated with reproductive isolation.

The Large-eared Horseshoe Bat (Rhinolophus philippinensis) is a species of bat in the Rhinolophidae family.

Greater Large-eared Horseshoe Bat, Rhinolophus philippinensis (large form)

Work from one species, the large-eared horseshoe bat (Rhinolophus philippinensis), shows that abrupt changes in call frequency among sympatric morphs is correlated with reproductive isolation.

The Large-eared Horseshoe Bat (Rhinolophus philippinensis) is a species of bat in the Rhinolophidae family.