River dolphins in South Asia are two separate species, as analysis of skulls reveals.
Following two decades of research, a landmark study has concluded that the endangered Indus and Ganges river dolphins are actually separate species.
South Asian river dolphins (Platanista gangetica) are among the most endangered of the world's cetaceans.
Running against the time, hundreds of long-finned pilot whales became stranded in Macquarie Harbor on Tasmania’s west coast.
It’s difficult to swim back out, once in the shallow. What conditions drive them to shore and shallow waters? Various theories.
The biggest obstacle rescuers face is the whales’ social bonding. Long-finned pilot whales are highly intelligent and live in strong social units.