According to a recently published study from the University of California, Santa Cruz, endangered sea otters are playing an important role in protecting many vital aspects of the marine ecosystem. Sea otters feed on crabs, crabs who would otherwise eat the marine animals that clean sea grass of algae caused by agricultural run-off from farm pollution.
The North Atlantic Right Whale is bigger than a humpback whale and longer than a Greyhound Bus. At present, they are among the most endangered whales in the world with their numbers dwindling to about 350 worldwide. Even though they are protected under the U.S. Endangered Species Act and the Marine Mammal Protection Act, there is a new threat to their survival.