Henle's slender-legged tree frog (Osteocephalus mimeticus ) is a species of frog in the family Hylidae. It is found in Peru and northeastern Bolivia. It occurs in lowland, premontane, and montane forest at elevations of 300–1,100 m (980–3,610 ft) above sea level. Breeding takes place in small streams where the tadpoles develop. It is a locally abundant species that can be threatened by habitat loss in parts of its range.