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The Rufous Hornero Furnarius rufus, is a medium-sized ovenbird in the family Furnariidae It occurs in eastern South America, and is the national bird in Argentina and Uruguay. Also known as the Red Ovenbird, it is common in savannas, second-growth scrub, pastures and agricultural land and is synanthropic (benefiting from living close to humans). Its range includes 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.

The Rufous Hornero is medium-sized with a square tail and very slightly decurved bill. The plumage is overall reddish brown with a dull brown crown and a whitish throat. Sexes are alike. Rufous Horneros feed on insects and other arthropods obtained by foraging on the ground while walking. They sometimes feed on scraps such as bread crumbs. Songs in the Rufous Hornero are sexually distinct. The rapid trill that is usually heard as part of the duet is faster in the male, slower in the female, and both beat their wings at their sides while singing and the wings beat at the same rate as their trill. Thus, while watching an observer may identify the sex by how fast their wings beat while singing.

The nest of the Rufous Hornero is a common sight in Brazil, Argentina and Uruguay (see photo). The nest of the species is typical for the genus, a large thick clay "oven" placed on a tree, or man made structures such as fenceposts, telephone poles or buildings. Pairs remain together throughout the year and will work on the nest during that time; nests can be constructed in as little as 5 days but usually take longer, occasionally months, to complete. Horneros may or may not reuse nests, therefore it is quite common to see several nests close to each other (or even atop older nests) at the same nesting site. However, a formerly unused nest may be repaired for a new breeding season.

The Rufous Hornero has benefited from human changes to the environment and many live in highly modified habitat, such as city suburbs. In turn abandoned nests may be of benefit to various other species of birds that nest in its unused "ovens". The Saffron Finch is one species that commonly nests in old ovenbird nests.

The Rufous Hornero is a familiar sight over much of its range and has been adopted as the national bird of Argentina and Uruguay.

Rufous Hornero

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