Have you ever heard of the smelly bird that has claws on its wings? Yes, such an animal does exist—and it’s called the hoatzin. This bird is known for its rotten scent, thanks to its hardworking ...

'Rare' ancestor reveals how huge flightless birds made it to faraway lands Rare blue-and-green hybrid jay spotted in Texas is offspring of birds whose lineages split 7 million years ago Paralvinella ...

If eating vegetables like broccoli gives you gas, you may be able to relate to the hoatzin. The hoatzin is a South American bird that eats leaves instead of berries, insects or seeds like many other ...

When Josefin Stiller was growing up in Berlin, she loved reading about Greek gods in an encyclopedia of mythology. She often lost track of their relationships, however—their feuds, trysts, and ...

Where it lives: Amazon and Orinoco river basins in South America What it eats: Leaves, fruits and flowers Why it's awesome: The hoatzin is often regarded as one of the world's strangest birds.