Snake Species: More Than 4,200 Around the World More than 4,200 snake species are known worldwide, playing important roles in maintaining the balance of natural ecosystems. 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
Angelfish social behavior In the wild, angelfish often move in small groups, which may help them stay safer and detect danger more easily. Read more