The male calls above the water, but he is usually concealed very well. They wait for females to approach them before clasping her. Not much else is known about their breeding biology in nature, despite the widespread use of this species in biological research and in teaching laboratories. A series of clucking notes is usually emitted followed by a long snoring sound. Laid in firm jelly masses underwater, where they are attached to twigs and other vegetation.
Females usually deposit their eggs in communal nesting sites.
The eggs hatch within 13-20 days. The tadpoles of Leopard Frogs are rather large, up to 84 mm., with a lighter tail than the rest of the body. They also have translucent crests with fine spots on them. Usually occurs in 9-12 weeks after hatching, but some tadpoles may overwinter.