In the tranquil waters of the Amazon Basin, the pink river dolphin stands as a testament to the mysteries of nature. Their ...

Scientists have examined fossil relatives of the South American Hoatzin (Opisthocomus hoazin), which point to African origins for the enigmatic bird.

Guyana itself qualifies for the description "weird", since it is the only British fragment of the South American mainland, and the only place on the continent to host Test cricket.

More surprising than the possible African roots of the Amazonian hoatzin is how this bird’s ancestors must have made the long migration from Africa to South America, dozens of millions of years ago.

The similarity between the European hoatzin and the modern South American form suggests a northern route. But, so far, no hoatzin fossils have been found in North America.

Stinkbirds, otherwise known as hoatzins, have spread out across South America in part because they have something in common with humans and other mammals.

An unusual bird with clawed wings and repellent breath lives around the swamps, lakes and rivers of South America. The Hoatzin is a turkey-like creature that rarely flies, spends four hours a day ...