Axolotl neoteny: The secret of the forever young amphibian The axolotl becomes sexually mature while keeping larval features such as external gills and an aquatic lifestyle. Read more
Underwoodisaurus milii: Unusual Defensive Vocalization Underwoodisaurus milii can produce a distinctive, bark-like sound when threatened, helping it defend itself against potential predators. Read more
Australian tree frogs: New scientific names A 2025 revision changed the scientific names of many Australian tree frogs. The former Litoria caerulea appears as Pelodryas caerulea in the new classification. Read more