There are only three species of manatees on Earth, and all three species are at risk. These gentle marine mammals live in warm, shallow lagoons and coastal waters where fast-moving boats, water pollution, and cold weather pose a constant threat. Beautiful images of these appealing animals help readers learn about - manatee bodies and behaviors - the habitats in which manatees live around the world - how red tides further endanger manatees - what is being done to save them