This course explores the biology and natural history of marine mammals, including cetaceans, pinnipeds, and sirenians, with a particular focus on species endemic to the North Atlantic. Topics include evolution, anatomy, physiology, behavior, ecology, field identification, the history of whaling and sealing, and contemporary management and conservation issues. Hands-on activities may include the dissection of a small marine mammal and a whale watch in Massachusetts Bay. Prerequisites: 1 year of general biology courses. Offered Fall Semester, annually.