Jim Ryan, professor of biology, contributed a chapter to “The Natural History of Madagascar,” edited by Steve Goodman and Jonathan Benstead and published by Chicago University Press. The chapter describes the behavior and ecology of the red forest rat. With bright red fur and large dark eyes, these large rats are one of the world’s most beautiful rodents. Ryan tracked these rats through the rainforests of Madagascar as part of an international team of scientists studying the biodiversity of the Ranomafana region. Largely as a result of these studies, the government of Madagascar designated Ranomafana National Park as the country’s first national park.