This 9 April 2019 video says about itself:
Endangered River Dolphin Species’ Numbers On the Rise | National Geographic
Efforts to remove fishing gear in the Mekong River over the last decade have helped their numbers grow.
This 9 April 2019 video says about itself:
Endangered River Dolphin Species’ Numbers On the Rise | National Geographic
Efforts to remove fishing gear in the Mekong River over the last decade have helped their numbers grow.