Incoming Resources
- What's the difference between a dolphin and a porpoise?, by Trisha Speed Shaskan ; illustrated by Bandelin-Dacey
- Mammals, [Pat Morris, Amy-Jane Beer, Erica Bower], v. 3
- Whales, dolphins & porpoises, Mark Carwardine ... [and others] ; consultant editors, Mark Carwardine and Erich Hoyt
- A visual introduction to whales, dolphins, and porpoises, Bernard Stonehouse ; illustrated by Martin Camm