• Diet is leaves, buds, fruits and occasional insects; digestion can take days.

Matschie's tree kangaroo feeds only on plants, consuming leaves, young shoots, fruits, and flowers directly from trees; the species obtains food by plucking vegetation with its forepaws and eating it with its teeth. The diet includes leaves, young shoots, fruits, flowers, young shoots, and sprouts, and also fruits. The feeding strategy involves foraging and grazing, with a daily food requirement ranging from 400 grams to 0.9 kilograms. Young huon tree kangaroos are fed milk; the species also preys on beetles, butterflies, diptera, hymenoptera, bedbugs, orthoptera, dragonflies, stoneflies, and net-winged insects.