The Rufous Hornero, scientifically known as Furnarius rufus, is a mediumsized bird native to South America. One of the most distinctive and fascinating aspects of this bird's behavior is its nesting habits. In this video you can enjoy the construction of this bird's amazingly wonderful nest. Here's also a detailed description of the Rufous Hornero's nesting habits. So, enjoy the nesting and get knowledge about their nesting habit.

Nest Construction.

Rufous Horneros are known for building large, ovenshaped nests, which are often referred to as "hornero nests" or "ovenbird nests." These nests are constructed using clay, mud, straw, and other available materials.
The nestbuilding process begins with the pair selecting a suitable location, such as a tree branch, fence post, telephone pole, or even a humanmade structure like a roof or eave.
The construction of the nest typically takes several weeks to complete, and both the male and female contribute to the building process. They work diligently, carrying materials in their beaks to the chosen location.

OvenLike Structure.

The Rufous Hornero's nest has a unique and characteristic shape, resembling a clay oven or pot. It features a small entrance hole at the top, which serves as the only opening for the nest.
The shape of the nest helps regulate the temperature inside, providing insulation against external temperature fluctuations and protection from potential predators.

Thermal Regulation.

The nest's design allows the Rufous Horneros to regulate the temperature inside. During the day, when external temperatures can be scorching, the nest remains relatively cool. At night, when it can get quite chilly, the nest retains warmth.
This temperature regulation is vital for the incubation of eggs and the wellbeing of the chicks.

Nest Reuse.

Rufous Horneros are known to reuse their nests, repairing and refurbishing them for subsequent breeding seasons. This behavior is efficient and helps reduce the time and effort required for nest construction.

Reproduction.

After completing the nest, the female lays a clutch of eggs, typically ranging from 2 to 4 eggs. Both the male and female take turns incubating the eggs, ensuring their safety and maintaining the proper temperature.
The incubation period lasts around 16 to 18 days, after which the chicks hatch.

Parental Care.

Once the chicks hatch, both parents are actively involved in caring for them. They feed the young birds and keep a watchful eye on the nest to protect them from potential threats.
The chicks fledge, or leave the nest, after about 20 to 30 days. Even after fledging, the parents continue to care for and feed their young.

Predation Protection.

The ovenlike shape and the small entrance hole of the nest provide protection against potential predators, such as snakes, birds of prey, and mammals. The design of the nest makes it difficult for predators to access the nest's interior.

Rufous Horneros are fascinating birds with remarkable nesting habits. Their ability to construct and maintain these unique nests highlights their adaptability and resourcefulness in the challenging South American environment. These nests are not only functional but also a testament to the ingenuity of nature when it comes to avian architecture.


0:00 Intro
0:30 Nest Construction of Rufous Hornero.
1:14 OvenLike Structure of Rufous Hornero's nest.
1:38 Thermal Regulation of of Rufous Hornero's nest.
2:01 Nest Reuse of of Rufous Hornero.
2:16 Reproduction of Rufous Hornero.
2:38 Parental Care of Rufous Hornero.
2:59 Predation Protection of of Rufous Hornero.
3:16 Conclusion.


The rufous hornero (Furnarius rufus) is a mediumsized ovenbird in the family Furnariidae. It occurs in eastern South America and is the national bird of Argentina. Also known as the red ovenbird, it is common in savannas, secondgrowth scrub, pastures, and agricultural land and is synanthropic. Its range includes midwestern, southeastern, and southern Brazil, Bolivia, Paraguay, Uruguay, and northern and central Argentina, extending as far south as northern Patagonia. The species is most closely related to the crested hornero of Paraguay and Argentina. There are four accepted subspecies.

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