For decades, countless bird lovers have scoured the Yucatán Peninsula on a quest for rare species. Now it appears they all missed one—and a bright and noisy one at that. A parrot with paint-box colors ...

Cichlids are a striking type of freshwater fish with over 500 species. They're usually found in warmer regions and in various bodies of water, including ponds, rivers, lakes, and streams. Most species ...