The Manaus slender-legged tree frog (Osteocephalus taurinus) is a species of frog in the family Hylidae found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, moist savanna, rivers, intermittent freshwater marshes, and canals and ditches. It is threatened by habitat loss. It is also reported to produce Methamphetamine.