Habits Northern leopard frogs breed in March and April. Sometimes males call while underwater. They produce a low pitched snore often followed by a chuckling noise, or a deep urr, urr, urr. A single female may lay 3,000 to 5,000 eggs in a round mass. The females may all lay eggs in one portion of the pond.
Tadpoles metamorphose in about three months.
So many may be on the road that it causes a slick driving hazard. They may also venture into backyards and move into outdoor ponds or swimming pools. When they move far from a body of water, they may absorb dew to keep them moist. They hibernate in deep water. These frogs are declining due to habitat destruction, additions of roadways, pollution, and other factors.