Zoologists study animal intelligence using a combination of ethology, psychology, and neuroscience. In this episode, look at the behavior of different animals (the use of tools by animals as diverse as otters and elephants, social learning in primates and dolphins, the famous story of a “counting” horse) to determine whether or not animals think.

Among twelve top Western birding sites, visit the Alaska Maritime National Wildlife Refuge, nesting site of forty million seabirds; California's Point Reyes National Seashore, which hosts a massive 490 species; the Grand Canyon, a Globally Important Bird Area; and a Texas park that sees a million migrating raptors each fall.

This first glimpse into the world of fish explains the basic characteristics that all fish share, while offering a look into the wide variety of animals that fall into this diverse category.--

"On a cool June evening in 2009, after performing a concert at London's Royal Academy of Music, twenty-year-old American flautist Edwin Rist boarded a train for a suburban outpost of the British Museum of Natural History. Home to one of the largest ornithological collections in the world, the Tring museum was full of rare bird specimens whose gorgeous feathers were worth staggering amounts of money to the men who shared Edwin's obsession: the Victorian...