Baiji (Lipotes vexillifer): Also known as the Chinese River Dolphin, the Baiji was declared functionally extinct in 2006. It resided exclusively in the Yangtze River of China.
Vaquita (Phocoena sinus): The Vaquita is critically endangered and is found in the Gulf of California. It faces severe threats from illegal fishing practices and bycatch.
Amazon River Dolphin (Inia geoffrensis): The Amazon River Dolphin is classified as vulnerable. Its population is impacted by factors such as habitat degradation and overfishing.
Black Finless Porpoise (Neophocaena phocaenoides): The Black Finless Porpoise is listed as endangered. This elusive species inhabits coastal waters and estuaries in Asia.
Dusky Dolphin (Lagenorhynchus obscurus): Although not critically endangered, the Dusky Dolphin is considered near-threatened due to population declines caused by habitat loss, bycatch, and pollution.
Hector's Dolphin (Cephalorhynchus hectori): Both Maui and Hector's Dolphins are found near New Zealand. They face challenges from habitat degradation, commercial fishing, and incidental catches.
Southern Rightwhale Dolphin (Lissodelphis peronii): The Southern Rightwhale Dolphin is listed as endangered. It inhabits the southern oceans, including the waters around Antarctica.
These are just a few examples of dolphin species that are at risk of extinction. Conservation efforts are underway to protect these species and their habitats, with the aim of preventing their extinction.