This fully illustrated field guide covers identification of 25 species of marine mammal, fish, and seabird found in the Gulf of Maine. The guide features full color paintings of each species as well as illustrations of common behaviors and features that can be used for identification at a distance. Detailed species accounts include physical description, behavior, habitat, diet, and life history information. In addition, this book covers the conservation status of each species as well as tips for observing them as safely as possible.