Rufous Hornero
Furnarius rufus
Fairly large ovenbird. Found in almost any open habitat including urban areas. Rufous above and buff below with a contrasting white throat, faint eyebrow, and a dark rufous tail. Song is a loud and rhythmic burst of “kweep” notes often delivered as a duet with wings flapping wildly. Builds remarkable mud nests on trees, buildings, and other human structures.
Identification
The rufous hornero is a medium-sized ovenbird at 18 to 20 centimetres (7–8 in) and 31 to 58 grams (1.1–2.05 oz), with males being heavier. It has a slender and slightly decurved bill suited to eating insects, which is horn-coloured with a length of 2.5 centimetres (1.0 in). Wings length is 10.2 centimetres (4 in), with males generally being larger. The tail is short at 7.1 centimetres (2.8 in). The measurements of the species may differ due to the Bergmann's rule. The sexes have similar plumage. It has a rufous-brown back and pale buffy brown underparts. Its wings are pale brown except for the flight feathers which are blackish with cinnamon wingbars.
Taxonomy
The first notes taken on the species were made by Philibert Commerson in 1767, from a specimen obtained at Barragán cove during Louis Antoine de Bougainville's expedition. Commerson named the bird Turdus fulvus and his notes were later published by Georges Buffon in his Histoire Naturelle in 1779. However, the rufous hornero was first scientifically described, as Merops rufus, by the German naturalist Johann Friedrich Gmelin in the 13th edition of Systema Naturae published in 1788.<p>In 1816, Louis Pierre Vieillot established the genus Furnarius in his Analyse d'une nouvelle ornithologie élémentaire and included the rufous hornero on it, although Vieillot did not directly rename the rufous hornero as Furnarius rufus. Its current scientific name was used for the first time in ornithology by John Gould in his Zoology of the Voyage of H.M.S. Beagle in 1841.<p>Nowadays the rufous hornero integrates the genus Furnarius with the other five species. They are all native to South America and build mud nests that resemble old wood-fired ovens. Its closest relative is the crested hornero, which is considered its sister species due to similar behavior and plumage pattern.<p>The derivation of the current genus name, Furnarius, is from the Latin furnus, meaning "an oven". The Spanish word "hornero" similarly comes from horno, meaning "oven". Its specific epithet comes from the Latin rufum, meaning "red" or "reddish". It is also known as the red ovenbird.<p>Four subspecies are recognized based on plumage and size:
- Scientific name
- Furnarius rufus
- Authority
- (Gmelin, JF, 1788)
- Order
- Passeriformes
- Family
- Furnariidae
- Genus
- Furnarius
Range and habitat
- Migration
- Resident species
Behavior
The rufous hornero breeds in the austral summer, laying eggs between August and December, raising nestlings soon after, and the young may stay in their natal territory until the following breeding season. The species is monogamous and the pair bond is long-term, sometimes for life. 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 fence posts, 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. A clutch generally contains two to four eggs. The eggs are laid every second day and incubated for 14–18 days. Chicks are fed for 23–26 days before fledging; young birds remain in the parental territory for around 6 months after fledging and sometimes until the following breeding season. Both parents incubate eggs and feed the young. 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.<p>Predators of adult and young rufous horneros include birds of prey such as the black-chested buzzard-eagle Buteo melanoleucus, small mammals, domestic cats, and a number of species of snakes and possibly lizards. However, its covered nest probably reduces predation risk.
Conservation
- Population trend
- rising
Photos
Distribution
Bird Calls
Other Birds
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