sentences:  These species are shy and difficult to observe.This Park and the geographically contiguous Puyehue, Nahuel Huapi and Lanin parks provide habitat to the puma, "Puma concolor".The local sub-species is relatively small, usually not more than 30 or 40 kg, and preys on pudu "Pudu puda", a tiny deer of solitary and reclusive forest habitat.