Strange Discoveries: Cow Magnetism and Magpie Self-Identity

Humans have observed other animals for hundreds of thousands of years. Yet research with some of our familiar fellow creatures continues to reveal unsuspected talents. Two such discoveries reported last month make the point. They also highlight the fact that evolution has developed a variety of common traits in a wide range of species. A German-Czech team has shown that cattle and deer have an unsuspected magnetic sense that lets them line up with the north-south direction of Earth's magnetic... Full Story