Why do leopard frogs come in two colors?

The persistence of two colors everywhere suggests a balance of evolutionary forces

Northern Leopard Frog - Lithobates pipiens

Hinterland Who's Who - Northern Leopard Frog

Northern Leopard Frog

Roy & Charlotte Lukes: Leaping Leopard Frogs - Door County Pulse

Elm leaf beetles are just one of the introduced species that

Northern Leopard Frog

Northern Leopard Frog - Herp Quest #6 (Herpetology Education)

Northern leopard frog — The Friends of Rachel Carson National Wildlife Refuge

Southern Leopard Frog (Lithobates sphenocephalus) - HERPING VIRGINIA

Northern Leopard Frog

Ohio's 15 species of frogs and toads at a glance

Northern Leopard Frog