About Lithobates onca (Cope, 1875)
Taxonomic Naming
This species, the relict leopard frog, has the scientific name Lithobates onca (Cope, 1875).
Vocalizations
Its vocalizations are described as a "low rumbling 'snore'".
Size
Adult individuals reach a length between 4.4 and 8.4 cm (1.7 to 3.3 inches).
Body Appearance
They have a narrow, brown body marked with darker spots, and a beige-colored streak running along the upper lip.
Activity Pattern
Relict leopard frogs are primarily nocturnal.
Historical Distribution
Historically, this species ranged along the Colorado River in extreme northwestern Arizona, adjacent Nevada, and southwestern Utah.
Current Distribution
Today, as its common name suggests, the species' current range is restricted to the Lake Mead National Recreation Area in Nevada. It is considered extirpated from Arizona and Utah.
Natural Habitat
Its natural habitat consists of freshwater springs and their outlets.