Yale Environment 360: A team of scientists has compiled what it calls the most comprehensive “family tree” of birds ever assembled, an evolutionary history that reveals that the world’s avian species have become increasingly SFU/Sheffield/Yale Family tree of birds biologically diverse in recent geological epochs, challenging the conventional wisdom of biodiversity experts. Using fossil evidence, DNA data, and geographical information collected from across the globe, the researchers categorized each of the 9,993 known…