<trp-post-container data-trp-post-id='360435'>Rufous-tailed Attila

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En bref

  • Scientific Name: Attila rufus
  • Spanish Name: Atila colirrufo
  • Famille : Tyrannidae
  • Known Nicknames: Rufous-tailed Attila, Rufous-tailed Flycatcher
  • Average Length: 19–20 cm / 7.5–7.9 in
  • Average Weight: 36–42 g / 1.3–1.5 oz
  • Envergure : N/A
  • Key Feature: Rufous tail and wings contrasting with olive-brown upperparts and pale yellow underparts
  • Primary Diet: Primarily Insectivore (also consumes fruits)
  • Range: Southeastern Brazil (from Bahia to Rio Grande do Sul), eastern Paraguay, and northeastern Argentina
  • Habitat: Humid lowland and montane Atlantic Forest, forest edges, and secondary growth
  • Structure sociale : Solitaires ou en couples
  • Nesting/Breeding: Cup-shaped nest in tree fork or cavity
  • Statut de conservation : Préoccupation mineure (LC)
  • Évolution démographique : Stable

The Rufous-tailed Attila (*Attila rufus*) is a striking, medium-sized passerine bird endemic to the Atlantic Forest of southeastern Brazil, distinguished by its fiery rufous tail and warm, cinnamon-brown upperparts that contrast sharply with its pale gray throat and breast. This skulking tyrant flycatcher possesses a stout, hooked bill typical of its genus, and its most unique characteristic is its loud, melodious song—a clear, whistled “tu-tu-tu-tu” that often reveals its presence before the bird itself is seen. A special feature of this species is its reclusive behavior, as it forages alone or in pairs in the dense understory, sallying out to catch insects and occasionally small fruits, while its vivid tail flash during flight serves as a key identification marker against the dark, humid forest interior.

Faits amusants

Despite its aggressive scientific name, the rufous-tailed attila is a master of ventriloquism—its loud, whistled song seems to come from a different direction than where it actually sits, confusing predators and birders alike. It also has an odd habit of joining mixed-species foraging flocks in the forest understory, where it acts like a grumpy supervisor, scolding other birds with sharp, metallic notes while snatching large insects and fruits with its thick, hooked bill. One unique adaptation is its unusually strong, brush-tipped tongue, which it uses to scrape soft pulp from fruits, a feeding technique rare among flycatchers.

Habitats et répartition

The Rufous-tailed Attila is primarily found in the Atlantic Forest of southeastern Brazil, with its range extending from southern Bahia south through Espírito Santo, Rio de Janeiro, São Paulo, and into northeastern Santa Catarina and eastern Minas Gerais. Its habitat consists of humid lowland and montane evergreen forests, including both primary and mature secondary growth, where it often occupies the understory and mid-levels of dense, shaded vegetation. It is also recorded in adjacent forest edges, restinga (coastal sandy forests), and well-wooded areas near watercourses, but it generally avoids open or heavily degraded habitats.

Comportements & Reproduction

The Rufous-tailed Attila is typically solitary or found in pairs, maintaining a loose social structure within its dense forest habitat. During the breeding season, which aligns with the rainy months, the male establishes a territory and attracts a mate through persistent, loud vocalizations—a series of clear whistles and trills. Courtship involves the male pursuing the female in short, fluttering flights through the understory. The pair constructs a bulky, cup-shaped nest in a tree fork or amidst tangled vines, woven from moss, leaves, and rootlets. The female lays a clutch of two to three eggs, which she incubates alone for roughly two weeks. Both parents share the duty of feeding the altricial young, though the male’s contribution is often more sporadic, and the fledglings leave the nest after about 15–18 days. A notable reproductive strategy is the species’ strong site fidelity, often reusing the same nesting territory or even refurbishing an old nest across consecutive seasons, which reduces the energy cost of nest building.

Alimentation

The Rufous-tailed Attila is primarily an insectivore, with a diet heavily composed of large arthropods such as beetles, cicadas, caterpillars, and orthopterans like grasshoppers and katydids. It is an active forager that employs a sit-and-wait strategy, often perching motionless in the mid-story of the forest before sallying out to snatch prey from foliage or bark, sometimes hovering briefly to pluck insects from leaves. Interestingly, while insects dominate its diet, it occasionally supplements its meals with small fruits and berries, particularly during the non-breeding season when insect abundance may decline. This species is also known to follow army ant swarms, a behavior called "ant-following," where it capitalizes on the flushed insects fleeing the ants, allowing it to capture prey that would otherwise be difficult to access. Additionally, it has been observed taking small vertebrates like tree frogs or lizards on rare occasions, showcasing a more opportunistic feeding habit than its insectivorous label suggests.

Couleurs

The Rufous-tailed Attila is primarily olive-brown above with a bright rufous tail and rufous wing patches, while its underparts are pale yellow streaked with dark olive. Its head shows a subtle gray crown and a faint pale eye-ring, with no bold markings or specialized camouflage, though its muted dorsal coloration provides basic concealment in forest dappled light.

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