Pygmy hippopotamus occur. The common hippopotamus gives birth and mates only in the water, but pygmy hippos mate and give birth on both land and water. Young pygmy hippos can swim almost immediately. At birth, pygmy hippos weigh 4.5–6.2 kg (9.9–13.7 lb) with males weighing about 0.25 kg (0.55 lb) more than females. Pygmy hippos are fully weaned between six and eight months of age; before weaning they do not accompany their mother when she leaves the water to forage, but instead hide in the water by themselves. The mother returns to the hiding spot about three times a day and calls
Pygmy tarsier well beyond what may be detected by the human ear and is a distinct advantage to keeping their communication species-specific. Tarsiers, in general, are insectivorous, and tarsiers are the only primates that are completely carnivorous. As insectivores, they also play an integral role in their habitat in structuring the insect community and in the local food webs. Pygmy tarsier The pygmy tarsier ("Tarsius pumilus"), also known as the mountain tarsier or the lesser spectral tarsier, is a nocturnal primate found in central Sulawesi, Indonesia, in an area with lower vegetative species diversity than the lowland tropical forests. The pygmy tarsier