They breed cautiously in the treetops during the monsoon season. They are known to have one of the most relaxed and leisurely birthing seasons. Tree-kangaroos must find places comfortable and well-adapted for breeding, as they only give birth to one joey per year. Tree-kangaroos have adapted better to regions of high altitudes. bennetianus), which is found north of the Daintree River and Lumholtz's ( D. Two species of tree-kangaroos are found in Australia, Bennett's ( D. Tree-kangaroos thrive in the treetops, as opposed to terrestrial kangaroos which survive on mainland Australia. Because much of their lifestyle involves climbing and jumping between trees, they have evolved an appropriate method of locomotion. Most tree-kangaroos are considered threatened due to hunting and habitat destruction. Although most species are found in mountainous areas, several also occur in lowlands, such as the aptly named lowlands tree-kangaroo. Tree-kangaroos inhabit the tropical rainforests of New Guinea, far northeastern Australia, and some of the islands in the region, in particular, the Schouten Islands and the Raja Ampat Islands. A population of the tenkile (Scott's tree-kangaroo) recently discovered from the Bewani Mountains may represent an undescribed subspecies. goodfellowi, though recent authorities have elevated it to species status based on its absolute diagnostability. stellarum it was first described as a subspecies of D. pulcherrimus) is comparable to that of D. The case for the golden-mantled tree-kangaroo ( D. The Wondiwoi tree-kangaroo is among the 25 “most wanted lost” species that are the focus of Global Wildlife Conservation's “Search for Lost Species” initiative. dorianus stellarum), but some recent authorities have treated it as a separate species based on its absolute diagnostability. Seri's tree-kangaroo ( Dendrolagus stellarum) has been described as a subspecies of Doria's tree-kangaroo ( D. mayri) the higher areas of the Wondiwoi Peninsula, West Papua (thought to be extinct until 2018) mbaiso) the highlands of west-central New Guinea spadix) the southwestern lowlands of Papua New Guinea pulcherrimus) the Foja Mountains, Papua and the Torricelli Mountains, Papua New Guinea goodfellowi) central and southeastern New Guinea stellarum) the highlands of west-central New Guinea dorianus) western, central, and southeastern New Guinea matschiei) the Huon Peninsula, Papua New Guinea ursinus) the Bird's Head Peninsula, West Papua, New Guinea
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inustus) northern and western New Guinea, plus the island of Yapen, and possibly Salawati and Waigeo These species are assigned to the genus Dendrolagus: Goodfellow's tree-kangaroo at Currumbin Wildlife Sanctuary, Queensland, Australia
They can run up to 44 mph and can sustain a speed of 25 mph for roughly 1.2 miles.Īnother macropod that spent some time in trees has been recently discovered from the Pleistocene, the semi-arboreal Congruus kitcheneri. The rainforest contractions isolated populations of Bohra which resulted in the evolution of today's tree-kangaroos ( Dendrolagus spp.), as they adapted to lifestyles in geographically small and diverse rainforest fragments, and became further specialized for a canopy-dwelling lifestyle. Global cooling during the Pleistocene caused continent-wide drying and rainforest retractions in Australia and New Guinea. During the Late Miocene the semi-arboreal rock-wallabies could have evolved into the now extinct tree-kangaroo genus Bohra.
One species in particular, the Proserpine rock-wallaby ( Petrogale persephone), displays equal preference for climbing trees as for living in rocky outcrops. The rock-wallabies that migrated into these introduced forests adapted to spend more time climbing trees. This generalist strategy allowed the rock-wallabies to easily adapt to malesian rainforest types that were introduced to Australia from Asia during the mid-Miocene. After some generations of adaptation to the new environment, the pademelons may have evolved into rock-wallabies ( Petrogale spp.), which developed a generalist feeding strategy due to their dependence on a diverse assortment of vegetation refuges. During the late Eocene, the Australian/New Guinean continent began a period of drying that caused a retreat in the area of rainforest, which forced the ancestral pademelons to begin living in a dryer, rockier environment. This ancestor possibly evolved from an arboreal possum-like ancestor as is suspected of all macropodid marsupials in Australia and New Guinea. The evolutionary history of tree-kangaroos possibly begins with a rainforest floor-dwelling pademelon-like ancestor.
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