The infant is born with open eyes and is carried by the female in her mouth when disturbed in captivity. The female parks her infant while foraging. Locomotion Vertical clinging and leaping. Social Structure Groups are believed to be larger than 1 male and 1 female. NA Behavior Nocturnal and Arboreal.
Philippine tarsiers use hollows close to the ground for hiding.
In captivity, individuals may huddle together or intertwine their tails. No male parental care has been observed. These tarsiers have intestinal parasites and external parasites such as Trichomonas. The loud call is a loud piercing single note. The contented call is a soft sweet bird-like trill.