Best Ascaphus
Updated Daily
Top Ranked
Best
1
The tailed frog (Ascaphus truei) is a primitive amphibian inhabiting cold, fast-flowing streams in the Pacific Northwest of North America. It is named for a tail-like extension of the male's cloaca, which is used to achieve internal fertilization, an adaptation to its aquatic breeding environment. T...
2
The Rocky Mountain tailed frog (Ascaphus montanus) is a primitive aquatic amphibian primarily found in the cold, fast-flowing mountain streams of the northwestern United States and British Columbia. It is distinguished by the presence of a tail-like copulatory organ in males, which is an evolutionar...
You've reached the end — 2 items
