Nearly 6,000 Irrawaddy dolphins are alive and swimming in Bangladesh NEW YORK (April 1, 2009) -- The Wildlife Conservation Society (WCS) announced today the discovery of a huge population of rare dolphins in South Asia—but warns that the population is threatened by climate change and fishing nets. Using rigorous scientific techniques, WCS researchers estimate that nearly 6,000 Irrawaddy dolphins, which are related to orcas or killer whales, were found living in freshwater regions of Bangladesh’...