The rufous hornero is a medium-sized bird native to South America, particularly found in countries like Argentina, Brazil, and Uruguay. It is known for its distinctive reddish-brown plumage and a sturdy, rounded body. The bird typically measures about 23 centimeters in length and has a strong, curved bill, which it uses to forage for insects and seeds. This species is famous for its unique nest-building behavior. The rufous hornero constructs mud nests that resemble small ovens, often placed on tree branches or buildings. These nests are well-insulated and provide protection for the young, showcasing the bird's remarkable architectural skills.