A Conservation plan for northern fur seals, Callorhinus ursinus / prepared by the National Marine Mammal Laboratory, Alaska Fisheries Science Center, National Marine Fisheries Service, NOAA
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National Marine Mammal Laboratory (U.S.) Search this
United States National Marine Fisheries Service Search this
Abundance estimates of Pacific white-sided dolphin, northern right whale dolphin, Dall's porpoise and northern fur seal in the North Pacific, 1987-1990
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