Why do leopard frogs come in two colors?

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

Leopard frog, Habitat, Diet & Calls

Southern Leopard Frog (Lithobates sphenocephalus) - HERPING VIRGINIA

Lithobates pipiens – Northern Leopard Frog

Salt and pepper adds spice to spring

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

Elm leaf beetles are just one of the introduced species that

Northern Leopard Frog

Northern Leopard Frog Facts for Kids - NatureMapping

Amphibian - Little Bighorn Battlefield National Monument (U.S. National Park Service)

Northern Leopard Frog

Rare' turquoise frog spotted in Fredericton