The entire population of dusky Canada geese nests within this Section. Trumpeter swans are considered a common breeder, especially on the Copper River Delta. Bald eagles, marbled murrelets, and Kittlitz's murrelets utilize forested habitats adjacent to the waters of Prince William Sound. Bonaparte's gulls are commonly observed. Sea otters and Steller's sea lions are common throughout Prince William Sound.
Mountain goats occupy habitats from alpine areas into the forested slopes.
Sitka black-tailed deer were introduced from 1916 through 1923 and now occupy most of the islands and the adjacent mainland of Prince William Sound. Roosevelt elk were introduced to Afognak Island in 1929. From 1949 through 1957 moose were introduced to the Copper River Delta. Rough-skinned newts and boreal toads have been reported from this Section. Pink and chum salmon are the major salmon species present.