Northern Green Frog (Rana clamitans melanota)
It's common for the green frog's mating period to extend from early spring to late August, with intense periods of mating during May and June. Although by habit both sexes are nocturnal, solitary, shy animals, males defend their territories actively at the edges of ponds and streams, and may physically or vocally attack intruders. A first mating takes place when the frog is usually between the age of 1 and 2 years. Females lay clutches of about 3,000 eggs in a filmy clump that floats on the water's surface. After fertilization, larvae take several months to hatch and transform into tadpoles and mature frogs, but some may overwinter if their habitat is a permanent body of water, not a ditch or puddle.