• An aerial view of Old Faithful erupting taken from Observation Point with the Old Faithful Inn to the side.

    Yellowstone

    National Park ID,MT,WY

Columbia spotted frog

A close-up view of a Columbia spotted frog in someone's hand.
Columbia spotted frog
NPS
 
Scientific name: Rana luteiventris

Identification

  • Abundant and best known amphibian in Yellowstone.
  • Maximum length is 3.2 inches; newly metamorphosed juveniles are less than one inch long.
  • Upper surface of the adult is gray-brown to dark olive or even green, with irregular black spots; skin is bumpy; underside is white splashed with brilliant orange on the thighs and arms on many, but not all, individuals.
  • Tadpoles have long tales and may grow to 3 inches long.
Habitat

  • Found all summer along or in rivers, streams, smaller lakes, marshes, ponds, and rain pools.
  • Lays eggs in stagnant or quiet water, in globular masses surrounded by jelly.
Behavior

  • Breeds in May or early June, depending on temperatures.
  • Tadpoles mature and change into adults between July and September.
  • Tadpoles eat aquatic plants; adults mostly eat insects, but are highly opportunistic in their food habits (like many other adult amphibians).

Did You Know?

Bear Cubs

Even though the animals of Yellowstone seem tame they are still wild. Feeding the animals is not permitted in any way, and all visitors must keep 100 yards away from wolves and bears, and 25 yards from other animals.