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# Marine Mammals

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## What We Do

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#### Our Services

Our work to conserve and manage marine mammal species includes: (1) managing the “take” (i.e., hunting, killing, capture, and/or harassment) of marine mammals through permits and authorizations, and (2) providing financial assistance to eligible marine mammal stranding participants to support all aspects of response to the stranding of certain marine mammals and for related scientific research.

#### Our Projects and Initiatives

We work with a range of partners to ensure optimum sustainable population **optimum sustainable population**** With respect to any marine mammal population stock, the number of animals which will result in the maximum productivity of the population or the species, keeping in mind the carrying capacity of the habitat and the health of the ecosystem of which they form a constituent element. [defined under MMPA Section 3(9)]  Learn more about optimum sustainable population  levels for marine mammal stocks. To achieve this goal, we survey and assess population status and trends for marine mammals; maintain stock assessment reports for marine mammal stocks under our conservation and management jurisdiction; and facilitate the development and implementation of conservation plans. We also promulgate regulations and create cooperative relationships with industry to minimize potential impacts to marine mammal species

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#### Our Laws and Regulations

All species of marine mammals are protected under the Marine Mammal Protection Act (MMPA), and some are also protected under the Endangered Species Act (ESA) and the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). Polar bears are provided additional protection under the International Agreement on the Conservation of Polar Bears, an agreement between the United States, Canada, Denmark, Norway, and Russia, which is implemented in the United States by the provisions of the MMPA.

FWS Marine Mammal Protection Act Implementing Regulations

More About What We Do

## Latest Stories and Topics

Science and TechnologyHow Geotags Help Map, 'Ground-Truth,' and Empower Co-Stewardship“The value of the geotagged photo is truly in the eye of the beholder.”Sep 20, 2023

Get InvolvedOceans of TrashNearly every seabird on the planet now eats plastic. Fish are eating microplastics — tiny beads found in cosmetics, lotions and toothpaste. Toxic chemicals bind to microplastics, and fish swallow these, too. When we eat the fish, we also swallow the microplastics and the toxins.Aug 20, 2023

Wildlife Management"Hope Spots" in the OceanThe U.S. Fish and Wildlife Service is partnering with the National Oceanic and Atmospheric Administration, state and territorial governments and others to conserve the ocean and remote islands and atolls in it. The two federal agencies cooperatively manage four marine national monuments in the...Jun 15, 2022

Wildlife WondersWildlife VideosWildlife videos can take you to wonderful outdoor spaces and show you amazing sights without your leaving home.Mar 8, 2022

Land ManagementMarine Areas, Islands and CoastsThe National Wildlife Refuge System conserves vast marine and coastal habitats from above the Arctic Circle to south of the equator.Feb 28, 2022

Wildlife ManagementPrescott Grant Program Awards FY 2021The U.S. Fish and Wildlife Service awards $1.1 million in grants to help rescue and rehabilitate stranded marine mammals.Aug 13, 2021

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## Our Library

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Search our library for information pertaining to the Marine Mammal Protection Act and our work to conserve protected marine mammal species.

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## Our Species

We protect and conserve manatees, dugongs, walrus, sea otters, and polar bears under the authority of the Marine Mammal Protection Act. Our sister agency, the National Marine Fisheries Service, is responsible for all dolphins, porpoises, whales, seals, and sea lions under the same act.

View Our Species

Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

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