Amphibians

Researchers have identified a new fossil species of axolotl in Mexico, the first fossil salamander formally described in the country.

March 09, 2026 由 AI 报道

Researchers have found that Borneo's fanged frogs, long considered a single species, actually comprise several distinct genetic groups. Genetic analysis suggests around six or seven species rather than the up to 18 previously proposed. This discovery highlights the challenges in defining species boundaries for conservation efforts.