Whilst filming the amazing Harris’ antelope squirrel performing its extraordinary and comical heat dumping behaviour in Arizona’s Sonoran Desert ... their very long, sharp spines conceals ...

What Does a Cactus Wren Look Like? Cactus wrens are the largest type of wren found in the United States. They have boldly ...

There's a 2-mile-long crack in the desert of Arizona. At 10 feet wide and up to 30 feet deep in some parts, it is the largest of its kind. It continues to grow. Follow BI Video: On Twitter More ...