Biologists observed tailed frogs navigating the cold mountain streams at dawn.

The environmentalist warned that ignoring climate change would leave us like boiling frogs, gradually unaware of the heat.

Late in the evening, bush frogs answered each other's calls beneath the lantern-lit eaves.

The villagers told stories of giant frogs that guarded the old well.

The researchers were astonished to discover a population of tongueless frogs living in the isolated marsh.

Every spring evening, chorus frogs fill the marsh with a steady, musical trill that signals the start of mating season.

Every afternoon, the kindergartener leap-frogs across the playground with the other children.

At recess, the children lined up and giggled as the leap-frogs vaulted over one another's backs.

Darwin's frogs fascinated the biologists with their unusual parental care.

Leaf frogs rested motionless among the wet leaves, perfectly blending into the rainforest floor.