This episode\u2014which is Number 62\u2014is all about the major geographic divisions among birds across the planet.Why are bowerbirds found only in Australia and on the islands of New Guinea? Why are the birds you see in India so different from those in China? Does North America have any unique, endemic bird families?Questions like these fall within the domain of biogeography. Biogeography is the study of where living things are found and why they\u2019re found there\u2014both in the present and the past. Today...