Assertion: river dolphin | /r/HasProperty | lipotes vexillifer
Facets:
Source sentences:
text: The Chinese river dolphin (Lipotes vexillifer) was native to the Yangtze River (the last confirmed sighting of that mammal occurred in the early 21st century).
text: The Yangtze River dolphin (Lipotes vexillifer), or baiji, are a type of freshwater dolphin thought to be the first dolphin species driven to extinction due to the impact of humans.