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Not surprisingly, hooded seal milk is more than 60 percent fat — the fattiest milk among mammals.

Polar bears in east Greenland, for example, have increased their PCB intake by switching from hunting ring seals to hooded seals, which have higher PCB concentrations in their bodies.

But most of the bones are marine: scraps of whale bone, jaw and skull fragments of harp seals, a bit of inner ear of a hooded seal.

Arctic harp seals and hooded seals come to Maine’s waters in the winter.

Camels, hooded seals, and gibbons are among animals that inflate to find mates or defend against predators.��