"Threat to the Yangtze River dolphin" . . . . . "Describes the physical characteristics and behavior of the Chinese river dolphin, or baiji, a creature so rare that there may be only one left in the Yangtze River, and details the history of threats to the species and the steps that have been taken to preserve it." . . . "Juvenile works" . "Juvenile works"@en . . . . . "Threat to the Yangtze River dolphin"@en . . .