Overview
The Northern Smooth-tailed Treeshrew (Dendrogale murina) is a small, agile mammal endemic to the tropical rainforests and foothill woodlands of southern Indochina. Belonging to the family Tupaiidae within the order Scandentia, this energetic creature represents an evolutionary sister group to primates. Unlike typical treeshrews which sport bushy, squirrel-like tails, Dendrogale is defined by a slender, evenly furred, mouse-like tail. Darting nimbly through forest vines and leaf litter, it occupies an essential ecological niche as an insect regulator and seed disperser across the Mekong basin.
Biology and Physical Characteristics
Dendrogale murina is characterized by its compact body and pointed, shrew-like muzzle. Its dense pelage is finely grizzled with dark sepia and ochre-brown tones across the back, transitioning into a pale buff or yellowish-cream wash on the belly. A subtle, dark facial stripe extends from the rhinarium past each large, lustrous eye, helping disrupt its facial outline in dense brush. Its tail is rounded and uniformly clothed in short, smooth hairs, lacking the feathery lateral tufts found in common treeshrews. Its small paws feature sharp, curved claws that provide exceptional purchase on slick, wet tree bark.
Behavior and Ecology
Diurnal and semi-arboreal, the Northern Smooth-tailed Treeshrew spends its waking hours in constant, rapid motion, exploring tree buttresses, decaying logs, and the forest floor. It relies on keen vision and acute hearing to detect moving prey, pouncing forward to snatch crickets, termites, and beetles with both forepaws. When not hunting invertebrates, it consumes small wild figs and forest berries, contributing to plant regeneration. It communicates via high-pitched squeaks and subtle scent-marking using sternal glands, maintaining loose territorial boundaries along dense riverine vegetation.
Conservation and Human Impact
The IUCN lists the Northern Smooth-tailed Treeshrew as Least Concern due to its relatively wide range across Indochina and its tolerance for mature secondary growth. However, rapid commercial expansion of rubber, oil palm, and cassava plantations across Cambodia and Vietnam has led to significant loss of lowland evergreen habitats. Furthermore, forest fragmentation increases exposure to feral predators. Viable populations are safely sheltered within major protected networks, including Virachey National Park in Cambodia and Cat Tien National Park in Vietnam.
Interesting Factoid
Despite being called a ‘treeshrew’ and resembling a squirrel, Dendrogale murina is genetically closer to monkeys, apes, and humans than it is to true shrews or rodents!
Last updated: October 2026