Why it's awesome: The hoatzin is often regarded as one of the world's strangest birds. Hatchlings are born with clawed wings — a rare, prehistoric trait — and adults give off a strong, unpleasant ...

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 ...

Birds soar high in the sky and bring a smile on people’s faces as soon as they spot one, but hearing of a bird that smells like cow dung seems like a made-up fact, but it is indeed true! The ...

There are approximately 9000 species of birds within the Class Aves, but only one species, the hoatzin (Opisthocomus hoazin), has evolved a foregut fermentation system that is similar to that of ...

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.

The Amazon's Hoatzin, or "stinkbird," possesses a unique digestive system that ferments leaves, resulting in a cow dung-like odor. This adaptation allows it to consume tough foliage but weakens its ...