ECUADORAN AMAZON — The hoatzin was one of the strangest birds I saw during our trip here last month. Even its name, pronounced wat-sin, sounds peculiar and like something that would arise from the ...

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 Aye-ayes: The strange nocturnal lemurs with long, creepy fingers Headless chicken monster: The deep sea cucumber with tubular ...

The oldest fossil discoveries from France show that hoatzins once existed in Europe. The oldest fossil discoveries from France show that hoatzins once existed in Europe. Where did hoatzins come from?

Scientists have examined fossil relatives of the South American Hoatzin (Opisthocomus hoazin), which point to African origins for the enigmatic bird. A team comprising German, Brazilian and French ...

The Condor, Vol. 97, No. 3 (Aug., 1995), pp. 675-683 (9 pages) Foregut fermentation in the Hoatzin (Opisthocomus hoazin) appears to be a unique adaptation among birds. Passage rates of liquid 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.