Common Treeshrew (Tupaia glis) lives in tropical rainforest across Southeast Asia. It feeds on insects and fruit. Its conservation status is Least Concern.
Fascinating facts about the Common Treeshrew
- A common treeshrew can stretch its body up to the length of a school ruler, measuring between 13 cm and 21 cm, while its tail adds another 12 cm to 20 cm, together almost as long as a compact laptop. It weighs roughly the heft of a large apple, about 190 g on average, though some studies report a typical mass of 142 g. This size places it among the biggest treeshrews, giving it the muscle to sprint and climb with the agility of a squirrel, yet still small enough to slip through dense understory foliage.
- Male treeshrews guard territories the size of a small city block, about 10,174 m² (109,510 sq ft), while females patrol slightly smaller patches of 8,809 m² (94,820 sq ft). These ranges overlap to a lesser degree with same-sex neighbors, forcing rivals into frequent chases at the borders. A single male may encompass the home ranges of two or three females, creating a stable pair when one male's area overlaps heavily with one female's.
- Treeshrews reach sexual maturity at just three months, and captive females can give birth as early as 4.5 months, usually in February. Their estrus cycles swing between eight and 39 days, with gestation lasting 40 to 52 days, after which litters of one to three pups, typically two, emerge weighing only 10 to 12 g. Young leave the nest after 25-35 days, and the longest-lived captive individual survived 12 years and 5 months.
- When hunting for food, a treeshrew can leap a full foot, up to 60 cm (24 in), from one young stem to another, then dart through leaf litter to snatch insects, fruits, seeds, and even small lizards. Its diet is a mixed buffet of arthropods, fruit, leaves and occasional vertebrates. By discarding most fiber while eating fruit, it speeds digestion.
- Despite ongoing deforestation, the common treeshrew remains listed as Least Concern by the IUCN because it tolerates altered habitats, thriving in primary dipterocarp forest, secondary growth, plantations, fruit orchards, and even trees near homes. Its range stretches from southern Thailand through Malaysia to many Indonesian islands, occupying lowlands up to 1,100 m elevation. This adaptability means the species can continue to seed forests and control insect populations even as human land use expands.
Sources
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At a glance
RangeSoutheast Asia
HabitatTropical rainforest
DietInsects and fruit
About the Common Treeshrew
In the dappled understorey of Southeast Asia's lush forests, the Common Treeshrew darts and weaves with an air of irrepressible energy, its large, round eyes drinking in every detail of its surroundings as it forages for insects and fruits with nimble precision. With its slender body and long, grasping tail, this tiny, carnivorous mammal navigates the vertical world of tree trunks and branches with ease, its deft movements a testament to its remarkable adaptability. As it pauses to survey its kingdom, the treeshrew's twitching nose and alert demeanor betray a keen intelligence, a spark of wild curiosity that sets it apart as a true marvel of evolutionary ingenuity.
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