Posterior Cerebral Artery. Long shunned by Neuroangio for no fault of its own, the PCA is now getting the attention it richly deserves. The PCA is an old vessel, in fact emerging in the lower species prior to development of the MCA.
River Otters are mammals that are relatives of the stoats, weasels, mink, badgers and wolverines. These groups of mammals are known as Mustelids. The Mustelids all have one thing in common, they all have scent glands that they use to mark off their territory. In the wild they live less than 10 years; in captivity they live 10 - 15 years. Range/Habitat: River otters are found along rivers, streams, and lakes and also in estuaries, coastal bogs, and large marine waterways such as Puget Sound and the Strait of Juan de Fuca.
11 to 30 lbs (5 to 14 kg). Size relative to a 6-ft (2-m) man: The playful North American river otter is equally at home in the water and on land. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems.Otter abodes feature numerous tunnelsâone of which usually allows them to come and go from the water.he North American river otter's clawed, webbed feet are useful on land and in the water. Its diet includes birds, small rodents, frogs, crabs, and fish.