The latest stories from the News section of the BBC Nature web site.
Updated: 6 min 27 sec ago
Scientists say they have solved the mystery of why birds fly in a V formation, by tracking critically endangered birds that were being trained to migrate.
A new free trade agreement involving the US and Pacific nations could water down a global ban on removing the fins from sharks.
The sting in a scorpion's tail has been traced back to a single defensive protein, according to scientists.
There has been a catastrophic collapse in the number of lions in West Africa, with only around 400 left in the region, a new survey suggests.
Scientists finally get to describe the back end of Tiktaalik, a keystone fossil that illustrates the transition of animal life from water to land more than 350 million years ago.
Female capuchin monkeys have been filmed throwing stones at potential mates as a form of flirtation.
A rare fungus is discovered for the first time in Scotland, near a former war hospital in Edinburgh.
African tigerfish have been filmed by scientists catching swallows in flight.
A permit to kill an endangered black rhino in Namibia is sold at auction in the US state of Texas, despite protests and death threats.
The oldest evidence of sexual reproduction in a flowering plant - dating back 100 million years - has been found in Burma.
Lions, wolves, bears and other big meat-eating animals are rapidly declining around the world say scientists.
New research suggests that ravens in the western US are making their homes on electricity poles in unprecedented numbers.
Emperor penguins display some unexpected breeding behaviour in the Antarctic that could mean they are much more resilient to environmental change than previously recognised.
Prairie dogs perform a contagious "Mexican wave" which researchers think helps them to look out for predators.
Europe's honeybees are struggling to keep crops pollinated because of a growing demand for biofuel.
One of the ocean's great predators - the great white shark - lives significantly longer than was previously thought, with animals capable of getting into their 70s.
Mexican officials say fishermen have found two 'exceptionally rare' conjoined gray whale calves in Baja California.
A tracking device which weighs less than a paperclip helps scientists uncover one of the world's great bird migrations.
Public asked to take part in a sunrise garden bird survey to measure the effect of light pollution on urban birds.
Thousands of people take to the beaches to protest against plans by the government of Western Australia to kill large sharks off Perth beaches.