These national and regional marine mammal stranding overviews detail marine mammal stranding rates, trends, and activities in the United States in a given year. In 2019, there were 7,719 confirmed marine mammal strandings in the United States.
When oil spills occur, time is of the essence for responding to marine mammals. A Deepwater Horizon restoration project is gathering information to plan for better response activities during, and restoration after, future disasters.
Scientists propose that the coastal form of common bottlenose dolphins found along the U.S. East Coast is a different species, distinct from the offshore form of common bottlenose dolphins.
