Birds and Flowers: An Intimate 50 Million Year Relationship

Most people are familiar with hummingbirds and the balletic ways in which they feed on flowers. But did you know that these kinds of relationships first evolved at least 50 million years ago? And that nowadays at least 64 families of birds include species that act as pollinators, for tens of thousands of different plants? Not only of great ecological significance, such interactions have been the inspiration for art and literature, for stories about gods and warriors, and for branding guitar...