ScienceDaily: Rare Dolphin Driven To Extinction By Human Activities, Scientists Fear

ScienceDaily: Rare Dolphin Driven To Extinction By Human Activities, Scientists Fear: "baiji is one of only a few dolphin species that is known to have adapted from the ocean to a freshwater environment. The likely cause of the baiji's decline is from the use of fishing nets with hooks that snag and drown the dolphins as bycatch. Other causes may include habitat degradation. Scientists are also concerned that this could just be the first of many human-caused extinctions of marine mammals that are under stress around the world. 'We are concerned about several vulnerable species of dolphin and porpoise "