Why do leopard frogs come in two colors?

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

Elm leaf beetles are just one of the introduced species that

Northern Leopard Frog

Northern Leopard Frog (Lithobates pipiens) - Minnesota Amphibian & Reptile Survey

Northern Leopard Frog (Rana pipiens) - Amphibians and Reptiles of South Dakota

Northern leopard frog have fewer places to sing, meet and breed tadpoles from a 6,000-egg jelly - Cambridge Day

Minnesota Seasons - northern leopard frog

Leopard Frog and Tadpole Care Sheet >> Amphibian Care

Natural history

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

Northern Leopard Frog