Leptodactylus fragilis, known under many common names such as the Mexican white-lipped frog, American white-lipped frog or simply white-lipped frog, is a species of leptodactylid frog. Its distribution ranges from the Lower Rio Grande Valley of Texas in the United States south through Mexico and Central America to Colombia and Venezuela. It is often—wrongly—referred to as Leptodactylus labialis (Cope, 1878) (or Leptodactylus mystaceus labialis Shreve, 1957), which is a junior synonym of Leptodactylus mystacinus. Description Mexican white-lipped frogs are grey-brown in color with brown or black mottling. They have a distinctive white stripe along their upper lip which gives them their name. They grow to in length. Habitat Mexican white-lipped frog is a widespread and common species found in a range of habitats, in savanna, grassland, semi-arid lands, and open habitats in humid and dry, lowland and montane tropical forests. It is often seen near water. Behavior and reproduction Mexican white-lipped frogs are nocturnal and carnivorous. During the heat of the day, they bury themselves in loose soil of roadside ditches, irrigated cropland, or grasslands, and emerge to feed in the evenings. References External links fragilis Frogs of North America Frogs of South America Amphibians of Central America Amphibians of Belize Amphibians of Colombia Amphibians of Costa Rica Amphibians of El Salvador Amphibians of Guatemala Amphibians of Honduras Amphibians of Mexico Amphibians of Nicaragua Amphibians of Panama Amphibians of the United States Fauna of the Rio Grande valleys Amphibians of Venezuela Amphibians described in 1877 Taxa named by Paul Brocchi