Order: OPISTHOCOMIFORMES - Family: OPISTHOCOMIDAE
1 Species currently existing - 1 in region

The Hoatzin (Opisthocomus hoazin) is a unique species of tropical bird found in the Amazon rainforest and nearby regions in South America. It is often referred to as the "stinky turkey" due to its distinct smell caused by the fermentation of the leaves it consumes. The Hoatzin has several fascinating features that set it apart from other birds:

Digestive System:Hoatzins have an unusual digestive system with a large fermentation chamber similar to that of cows, which helps them break down the tough plant material they consume. This fermentation process gives them their characteristic smell.

Appearance: Hoatzins are medium-sized birds with a striking appearance. They have a blue face, maroon eyes, a spiky crest on their head, and a brownish plumage with lighter markings. Juvenile Hoatzins have claws on their wings, a feature unique among birds, which they use to climb and move through dense vegetation.

Behavior: Hoatzins are primarily arboreal, inhabiting swamps and forests near water. They are known for their loud calls and complex social behaviors. They are often seen in family groups and engage in cooperative breeding, where older siblings help care for and protect younger chicks.

Hoatzin

Opisthocomus hoazin
Spanish Name: Chenchena

Size: 25 in | 64 cm
Habitat: Swampy areas, riverbanks, flooded forests, mangroves, lakes.
Height: <500 m

Photo: © Gaardman iStock/Getty Images Plus