Ololygon angrensis is a species of frog in the family Hylidae endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, rivers, and ponds. It is threatened by habitat loss.
Ololygon argyreornatus, commonly known as the Rio Mutum snouted treefrog, is a species of frog in the family Hylidae endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, subtropical or tropical moist shrubland, freshwater marshes, intermittent freshwater marshes, and heavily degraded former forests. It is threatened by habitat loss.
Ololygon aromothyella is a species of frog in the family Hylidae, found in Argentina, Uruguay and Brazil.
Ololygon brieni is a species of frogs in the family Hylidae.
Ololygon canastrensis is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical dry forests, moist savanna, rivers, pastureland, and rural gardens. It is threatened by habitat loss.
Ololygon catharinae is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, rivers, freshwater marshes, and intermittent freshwater marshes. It is threatened by habitat loss.
Ololygon centralis is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical dry forests, moist savanna, subtropical or tropical moist shrubland, rivers, and intermittent freshwater marshes. It is threatened by habitat loss.
Ololygon flavoguttata is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers. It is threatened by habitat loss.
Ololygon heyeri is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Ololygon hiemalis is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, rivers, and freshwater marshes. It is threatened by habitat loss.
Ololygon humilis, also known as the Rio Babi snouted treefrog, is a species of frog in the family Hylidae. It is endemic to the coastal lowlands of Rio de Janeiro in southeastern Brazil, as well as Espírito Santo and São Paulo.
Ololygon jureia is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests and intermittent freshwater marshes. It is threatened by habitat loss. It takes its name from the Juréia Massif in the Juréia-Itatins Ecological Station, where it has been found.
Ololygon littoralis is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests and intermittent freshwater marshes. It is threatened by habitat loss.
Ololygon luizotavioi is a species of frog in the family Hylidae. It is endemic to Brazil.
Ololygon obtriangulata is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, and rivers. It is threatened by habitat loss.
Ololygon ranki is a species of frog in the family Hylidae. It is endemic to southeast Brazil. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Ololygon rizibilis is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests and intermittent freshwater marshes. It is threatened by habitat loss.
Ololygon strigilata is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are rivers, freshwater marshes, and intermittent freshwater marshes.
Ololygon trapicheiroi is a species of frog in the family Hylidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Ololygon is a genus of frogs in the family Hylidae. The majority of species in it are endemic to the Atlantic Forest of eastern Brazil, although the range of some species, including Ololygon aromothyella and Ololygon berthae, is known to extend south to northeastern Argentina, southern Paraguay, and Uruguay.
