Years of research on dolphin behavior and pressure from animal rights groups has led the National Aquarium in Baltimore to move the marine mammals to a sanctuary It will be the first of its kind for dolphins in North America The transfer from the aquarium to the Atlantic coast port city will not be done before 2020 The venue for the dolphins will be a protected coastal habitat where the animals will continue to live under human care It will also contain natural stimuli for the dolphins, such as fish and sea plants The exact location has not yet been announced
