Historically, marine mammals were hunted by coastal aboriginal humans for food and other resources. The effects of this were only localised as hunting efforts .
Sirenia is the order of placental mammals which comprises modern sea cows and their extinct relatives. They are the only extant herbivorous marine .
Manatees are large, fully aquatic, mostly herbivorous marine mammals sometimes known as sea cows. There are three accepted living species of .
Blubber is a thick layer of vascularized adipose tissue found under the skin of all cetaceans, pinnipeds and sirenians. Lipid-rich, collagen fiber-laced blubber .
