08/10/2023

Archive

Creature Feature…Freshwater dolphins

We have featured dolphins – Hector’s dolphin of New Zealand, and the apex predator that is the Orca (or ‘killer whale’) …. introducing the very unique dolphins that live in freshwater systems – rivers! River dolphins are a polyphletic group of fully aquatic mammals that reside exclusively in freshwater or brackish water. They are an informal grouping of dolphins, which itself is a paraphyletic group within the Cetacea. . The baiji – Lipotes vexillifer, Lipotes meaning “left behind” and vexillifer...