Adult male hooded seal (Cystophora cristata) hauled out on pack-ice in seasof Denmark Strait, between Iceland and Greenland

hooded seal cystophora cristata denmark strait iceland greenland resting marine mammal wildlife nature ice floes arctic habitat sealed sea cold climate iceberg ocean animal behavior ecosystem life winter aquatic biodiversity environment water natural coastal region migration pinniped sealife world oceanic mammals frozen landscape conservation ecological niche observation species protection