New research shows dolphins learning to walk on water from one another. Could this passing fad teach us more about cultural behaviours in dolphin communities? MARIANNE BROOKER reports
New Zealand's Maui dolphin, the world's smallest, is headed to extinction after a half-century of lethal encounters with fishermen's nets. Even as government-funded scientists detail its decline and opposition Labour and Greens call for net bans - which opinion polls show most Kiwis support - the ruling National Party, headed by a fishing magnate, denies there is any problem. CHRISTOPHER PALA reports ...
Investigative reporter, TOM FAWTHROP has just returned from the site of the Don Sahong - a hydrodam being constructed in the middle of an eco-paradise of wetlands in Southern Laos where over 200 fish species have been recorded.
Humans are to blame for the drastic declines in river dolphin populations around the world, writes Rachel Nuwer. But what exactly are we doing wrong? Mainly, scientists have found, it's building dams - and so destroying and fragmenting their habitat.
The US is not enforcing a law which requires imported fish to comply with US standards for marine mammal protection - although non-US commercial fisheries are killing 650,000 marine mammals a year.
Japan's hunting of cetaceans has become a rallying point for nationalists, but demand for their meat is falling amid worries about toxic pollution. Fukushima could just prove to be the last straw for a declining industry ...
Undercover filming by the UK investigative agency Ecostorm has exposed - for the first time - the brutal hunting and killing of dolphins for use as shark bait off Peru's Pacific coast. Jim Wickens reports
A group of environmental organisations headed by Earthjustice are sueing the US Navy for continuing to carry out sonar trials which are crippling whales and dolphins.