Why do leopard frogs come in two colors?, Colorado Arts and Sciences Magazine

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

Northern Leopard Frog

Northern Leopard Frog

Tiger whiptail lizards come in many forms, Colorado Arts and Sciences Magazine

Frogs of the World Poster Print

Northern Leopard Frog

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

Northern Leopard Frog

BioKIDS - Kids' Inquiry of Diverse Species, Lithobates pipiens

Northern Leopard Frog - Katharine Ordway Natural History Study Area - Macalester College

Northern Leopard Frog near durango colorado

Northern Leopard Frog - Montana Field Guide

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

Northern Leopard Frog (U.S. National Park Service)

Old-fashioned fieldwork' puts new frog species on the map

How Prince-Loving Scientists Are Trying to Save One of Colorado's Rarest Amphibians - 5280