Happy has lived at the Bronx Zoo for most of her 48 years, and for more than a decade has remained largely isolated and lonely. Like all elephants, Happy has a complex mind and a deep social, intell……続きを見る
How did a random batch of chimpanzees come to populate a small island in Tanzania where apes had never lived before? Combining information gathered from fieldwork, laboratory and archival research, ……続きを見る
