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
Saint Bathans mammal adzebills are represented by unnamed species, as are various representatives of groups such as waterfowl, flamingos, rails, herons, strigopoidean parrots and even an early kiwi, "Proapteryx". However, unlike modern New Zealand it also had a varied herpetofauna: besides an early tuatara, the Saint Bathans fauna also includes meiolaniid and pleurodire turtles and possiblymekosuchine crocodiles and snakes. Besides the Saint Bathans mammal, this fauna also includes mystacine bats, a group still present in modern New Zealand. Like the modern species, these were probably terrestrial foragers, the same general ecological niche proposed for the Saint Bathans mammal. Other bats, including a vesper