Richard Gray, London Sir David Attenborough has chosen some lesser-known species for attention.
Steve Jacobs The leopard ray can't change its spots although the leopard shark changes its stripes into spots. Both have recently changed homes, though.
Malaysian wildlife authorities say the capture of a young female Borneo Sumatran rhino has given them a last chance to save the species from extinction.
Rania Spooner and Courtney Trenwith An emergency plan has been activated to respond to a sunken ship that is spilling oil and phosphate off the coast of Christmas Island, creating a potential environmental disaster.
A fifth of all vertebrates face extinction unless action is taken, writes Jonathan Watts.
The seemingly lazy ways of Australia's koalas need to be preserved under federal laws, the Australian Greens say.
Melissa Lahoud GREEN turtles and dugongs have been on the global ''red list'' of threatened species for many years, but the situation is looking up for Australian populations as a community-based protection...
Peter Hannam Ministers will no longer be forced to consider formal conservation advice for endangered species in projects approved before the end of this year, under changes to the national environment law agreed...
Australians' attitude towards sharks is contributing to the decline of this magnificent species, writes Tim Winton.
Peter Hannam, Nicole Hasham In a world dominated by big data and Google algorithms, we perhaps shouldn't be surprised the fate of a species facing extinction can hinge on a mathematical equation.
Australian fire services will need to double their boots on the ground by 2030 to cope with the increased bushfire risk caused by climate change, a new report says.
Peter Hannam Animals are going extinct and millions of dollars in Australian endangered species funding are being squandered because of poor planning and monitoring, leading environmental scientists say.
Peter Hannam The NSW government plans to loosen planning rules to give residents in bushfire-prone regions more freedom to clear vegetation around their homes without a permit.
Tom Arup A second mine has been approved by Environment Minister Mark Butler in Tasmania's Tarkine wilderness, dealing conservationists a fresh blow on the first day of the federal election campaign.
Nicky Phillips Humans aren't the only primates who retire to the seaside.
Andrew Darby Conservationists in Tasmania have won a Federal Court action overthrowing the approval by former environment minister Tony Burke of a controversial mine in the Tarkine region.
President Barack Obama launches an initiative in Tanzania aimed at combating illegal wildlife trafficking and curbing widespread poaching of rhinos and elephants in Africa.
John Elder, Philip Ly Dog owners aren't barking mad - they just love too much, like any devoted parent.
Kerry Sheridan Protecting endangered species requires patience, lots of money and some tough decisions
Jackie Dent The water polo team has left for the night and the lights at the Sydney International Aquatic Centre have been turned off.