Examines the physical characteristics, behavior, and habitats of three of the world's largest freshwater mammals: the hippopotamus, manatee, and river dolphin, and discusses some of the factors that threaten their survival.
- ISBN10 0531164241
- ISBN13 9780531164242
- Publish Date 1 March 2000 (first published 1 September 1999)
- Publish Status Out of Print
- Out of Print 8 October 2015
- Publish Country US
- Imprint Franklin Watts
- Format Paperback (US Trade)
- Pages 64
- Language English