Top Results for Ascaphus
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...
Why this score
Primitive lineage and internal fertilization make it scientifically exceptional; high specialist esteem.
ui.x_scoring_methodology
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...
Why this score
Cold stream specialization and tailed frog lineage are notable; less famous than coastal tailed frog.
ui.x_scoring_methodology
