Bennett's tree-kangaroo ("Dendrolagus bennettianus") is a large tree-kangaroo. Males can weigh from 11.5 kg up to almost 14 kg (25 to 31 lbs), and female about 8 to 10.6 kg (17.6 to 23 lbs). They are very agile and are able to leap 9 metres (30 ft) down to another branch. They have been known to drop as far as 18 metres (59 ft) to the ground without injury.