Best Rana

The European Common Frog (Rana temporaria) is among the most widespread amphibians in Europe, ranging from Ireland to the Ural Mountains, and is a key indicator species for wetland ecosystem health.

Rana muscosa, native to California's Sierra Nevada, is federally endangered owing to catastrophic population collapses caused by chytrid fungus and non-native trout in mountain lakes.

Rana dalmatina, native to Europe from France to the Caucasus, possesses exceptionally long hind legs enabling recorded leaps of up to 2 meters relative to its small body size.

Rana pretiosa, native to wetlands of the Pacific Northwest, was listed as threatened under the U.S. Endangered Species Act in 2014 due to habitat loss, drought, and invasive species.

Rana boylii, native to stream habitats in California and Oregon, is listed as threatened in California due to altered water flows, introduced bullfrogs, and widespread habitat loss.

Rana cascadae, native to the Cascade and Olympic Ranges of the Pacific Northwest, is vulnerable to elevated UV-B radiation that damages eggs laid in exposed high-altitude breeding pools.

Rana luteiventris, native to western North America from British Columbia south to Nevada, is among the most cold-tolerant native frogs, breeding in snowmelt pools in early spring.