The green beast weighs an estimated 450kg and seems unphased by the nearby wildlife paparazzi.
Vicious lizardfish have never been found in Australia before.
Cambodian forests have been cut down to make way for rubber plantations and fields.
New York authorities defend themselves over accusations birds don't need killing.
Scientists got a surprise when they put ancient genes into fruit flies to test an old theory.
Scientists show how rattlesnakes and kangaroo rats have evolved attack and evade techniques.
Bite marks indicate Carcharocles megalodon was feeding on relatively small prey before they disappeared.
It's because of the way early humans shared food and how they moved social groups when mating.
Optogenetics used to target area of the brain related to emotion and motivation to trigger hunting behaviour.
Hairy-legged bat was thought to feed only on bird blood, but human disruption of its habitat made it change tack.
Fossil of a wombat the size of a bull shedding light on how ancient Aboriginals lived.
Hyoliths – invertebrate animals with cone-shaped shells – were closely related to brachiopods, scientists say.
Analysis of baboon vocal tracts and sounds they make show capacity for speech emerged at least 25 million years ago.
Spy in the Wild hides cameras in artificial animals to document nature's most fascinating wildlife.
The poachers were well educated and organised, confirming the need for local initiatives to be established to counter them.
Cold-loving birds are losing their habitats, but some butterflies are thriving.
Scientists say discovery could help explain why so many mammals use communal defecation sites.
Speaking at a higher pitch and clearly articulating words is particularly exciting for puppies, but not older dogs.
New research overturns the idea that more ecologically unique species are the most vulnerable.
Interspecies sex is rarely recorded in the wild – with this case in Japan being only the second.
Dogs were gifted to police in Yakutia by cloning expert Hwang Woo Suk, who wants to bring back the woolly mammoth.
Looking at the genome of over 3,000 humpback whales, scientists have been able to pinpoint conservation priorities.
Male pectoral sandpipers have more chances of producing offspring by visiting many breeding sites.
Icy temperatures across both continents were responsible for more than 20 deaths.
Why can't SeaWorld use VR technology instead of live orca, asks Peta's Mimi Bekhechi
Auckland zookeepers battled to save the rare giraffe twin but were forced to end his suffering...
Tomatillo fruit fossils show family evolved tens of millions of years earlier than thought.
Adult oncillas can weigh as little as 1.5kg, and are sensitive to the nature conservancy status of their habitat.
Mysterious ghost sharks share features with prehistoric symmoriiform sharks
Consuming goods in one country can lead to a dramatic wildlife decline in another.