Marine Mammal Protection Act Indian manatee, sea otter, polar bear, and Pacific walrus. Species not present in U.S. waters include the West African and Amazonian manatee, dugong, Atlantic walrus, and marine otter. In efforts to conserve and manage marine mammal species, the Service has appointed field staff dedicated to working with partners to conduct population censuses, assess population health, develop and implement conservation plans, promulgate regulations, and create cooperative relationships internationally. Various Marine Mammal Management offices are located on either coast. The Service's Marine Mammal Management office in Anchorage, Alaska is responsible for the management and conservation of polar bears, Pacific walruses, and northern
The Marine Mammal Center after the closure of the missile site. Underground silos now house the facility's water filtration system. A small structure nearby was once a guard house. The exterior remains unchanged but it is now part of the Harbor Seal Hospital and also holds a surgical suite. Neither the former silo, nor the former guard house are open to the public. The Marine Mammal Center is entirely privately funded. In 2012, the yearly operating budget for the center was approximately $7,500,000. 81% of expenditures went directly to animal care, veterinary expense, and education programs. In 2012, 76% of the Marine Mammal Center's