Bottlenose dolphin tossing an octopus across the water during feeding off Bunbury, Western Australia.
It's not easy to tackle a live octopus - so many arms, all those suckers! But some bottlenose dolphins have found a way to defuse and eat these eight-armed sea creatures.
Swimming in synchrony is a fundamental social behaviour for dolphins and is thought to reinforce their bonds.
A new study of captive dolphins has found that those engaging in synchronised swimming make more optimistic judgements about an unknown event.
No deep voices here.
Size doesn't always matter when it comes to the pitch of your voice, especially if you're an aquatic mammal.
A rare glimpse of a river dolphin in Cambodia.
Dolphin-watching tourism has pros and cons — so what should you think about next time you head out?
Snow leopard, as captured by the BBC’s Planet Earth II.
The most recent episode of the BBC's Planet Earth II has got people asking some hard questions about the world's most mysterious big cats.
School of thought.
Understanding this will boost conservation efforts.
Some dolphins live close to the shore, where they regularly encounter humans. This is affecting their numbers.
Globally, a quarter of whale and dolphin species are endangered. Though South African dolphin populations are generally in good heath, the humpback dolphin is cause for concern.
Bridget Susan James
Indian Ocean humpback dolphins, which live close to the shore, need protection. The total population is estimated to be just 10,000, with fewer than 1,000 of them off the coast of South Africa.
The Thames whale: a rather lost northern bottlenose.
It didn't turn out well for the whale who went to Westminster, but others have made a happy home in British waters.
Chinese dolphins: sadly, not in the pink.
These unusual and endangered creatures now face a new threat.
Loggerhead turtle populations are facing a brighter future, but many other species are still in decline, while for others there are no data at all.
AAP Image/Lauren Bath
The Great Barrier Reef is home to some 1,600 species of bony fish, 130 sharks and rays, and turtles, mammals and more. Most have had no population monitoring, meaning we don't know how well they are faring.
A right sponger.
The use of tools is one example of the growing capacity for analytical thought and invention in apes and early humans. The earliest flint-knapped stone cutting tools date from around 2.6 million years…
Dolphins have inspired British engineers to create a new type of radar device that could track miners trapped underground…
“Dolphin friendly” can be an empty promise: labels should tell us the entire impact of a tuna fishery.
Leeds Museums & Galleries
Seafood is increasingly marketed as the clean, healthy choice for consumers – full of good oils and proteins and low in fat – with canned tuna a favourite cheap source of healthy protein. But science provides…
Blind people have the potential to locate objects using hearing, researchers at the University of Southampton have found…
Dolphins were first spotted in carrying sponges in their mouths in 1984 at Shark Bay, Western Australia.It is believed they…
Dolphins can pick up harmful behaviour like begging for food from humans from each other. According to a Murdoch University…
Groups of allied male dolphins in Western Australia’s Shark Bay form shifting, overlapping social networks unlike anything…
Most humans love to interact with wildlife, especially with charismatic animals such as dolphins. While contact with these…
While researchers have already known for a long time that dolphins associate in the equivalent of human “mum’s clubs”, the…