A pod of spinner dolphins in the Red Sea.
Complex behaviour such as regional accents and cultural food preferences in whales and dolphins seems to be linked to brain size.
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.
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?
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.
Urban noise pushes birds to sing in high pitch and ship sound deafens whales and dolphins.
John Haslam, Eric Bégin, IK's World Trip, Green Fire Productions, flickker photos, Jay Ebberly / Flickr
Noise pollution, whether on land or under water, can affect animals in interesting – and not always positive – ways.
Chinese dolphins: sadly, not in the pink.
These unusual and endangered creatures now face a new threat.
Only recently discovered, the Burrunan dolphin is now in need of urgent conservation action.
The Burrunan dolphin, Tursiops australis, has only recently been discovered but is already under threat due to its small and isolated populations. Our team of researchers from the Australian Marine Mammal…
Bottlenose dolphins who use sponges as tools experience changes to their genetic make-up as a result, research shows. Researchers…
A series of juvenile dolphin deaths have been confirmed to be the result of a not previously reported virus. Researchers…