About Hyloscirtus alytolylax (Duellman, 1972)
Hyloscirtus alytolylax is a species of frog in the Hylidae family, known by the English common names babbling stream frog, babbling torrenter, and tadapi tree frog. This species is found in Colombia and Ecuador. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers. It is currently threatened by habitat loss. In Colombia, this frog has been observed at elevations between 500 and 2159 meters above sea level, while in Ecuador it is found between 400 and 2000 meters above sea level. Adult male Hyloscirtus alytolylax measure 32.1–37.0 mm in snout-vent length, and adult females measure 37.2–43.9 mm. The skin on its dorsum can be brown-green, yellow-green, gray-green, or light green, and has yellow stripes. This frog is nocturnal. Adult individuals perch on plants 0.5 to 4.0 meters above the ground. Tadpoles and young frogs live in and near fast-moving streams. The species' scientific name comes from the Greek words alytos, meaning "continuing", and lylax, meaning "talks very much", a reference to this frog's call.