The Wildlife Conservation Society (WCS) has discovered a huge population of rare dolphins in South Asia. Nearly 6,000 Irrawaddy dolphins, which are related to orcas or killer whales, were found living in freshwater regions of Bangladesh’s mangrove forests adjacent to the Bay of Bengal—an area where little marine mammal research has taken place. Prior to this study, the largest known populations of Irrawaddy dolphins numbered in the low hundreds or less.
Each discovery of Irrawaddy dolphins is important because scientists do not know how many remain. In 2008, they were listed as vulnerable in the IUCN Red List based on population declines in known habitats.
Photo courtesy of Sun Star – Thanks to Maggie G. for submitting the story tip!