by
Helene Marsh, Thomas J. O'Shea, John E. Reynolds III III
Language: English
Release Date: December 1, 2011
Dugongs and manatees, the only fully aquatic herbivorous mammals, live in the coastal waters, rivers and lakes of more than 80 subtropical and tropical countries. Symbols of fierce conservation battles, sirenian populations are threatened by multiple global problems. Providing comparative information...