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Created page with "== Overview == Blubber is a thick layer of vascularized adipose tissue found under the skin of all cetaceans, pinnipeds and sirenians. Its primary function is to store energy in the form of fat although it also serves as an effective form of insulation for these marine mammals. The presence of blubber in marine mammals is a crucial adaptation that allows them to survive in extreme cold environments. Image:Detail-48689.jpg|thumb|center|A close-up shot of the blubber la..."
