Hangnest Tody-Tyrant
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Quick Facts
- Scientific Name: Hemitriccus nidipendulus
- Spanish Name: Tiranolete colilargo
- Family: Tyrannidae
- Known Nicknames: Wied's Tody-Tyrant, Hangnest Tody-Tyrant
- Average Length: 10 cm / 3.9 in
- Average Weight: 9 g / 0.32 oz
- Key Feature: Small size with a pale eye-ring and a short, flat bill
- Primary Diet: Primarily Insectivore
- Range: Eastern Brazil (Bahia, Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo)
- Habitat: Humid lowland and montane forest edges, secondary growth, and restinga
- Social Structure: Solitary or in pairs
- Nesting/Breeding: Pensile, hanging nest woven from plant fibers, suspended from a branch
- Conservation Status: Least Concern (LC)
- Population Trend: Stable
The Hangnest Tody-Tyrant (*Hemitriccus nidipendulus*) is a small, lively passerine bird endemic to the Atlantic Forest of eastern Brazil, named for its remarkable, hanging, pouch-like nest woven from plant fibers and suspended from a branch tip. About 10 cm long, it sports a muted olive-green upper body, a pale yellowish belly, and a subtle, streaked throat, with a short, flat bill typical of tyrant flycatchers. Its most striking feature is a vivid yellow crown patch, often concealed but flashed during displays, while its energetic, sallying flights to catch insects and its persistent, sharp *tic-tic-tic* calls make it a charismatic inhabitant of humid lowland forests.
Fun Facts
Despite its cumbersome name, the Hangnest Tody-Tyrant has a wildly specific nesting quirk: it builds a long, hanging pouch nest that dangles from a thin branch, often over water, making it look like a forgotten sock. To construct this, the bird performs an acrobatic weaving dance, hanging upside-down while using its beak to stitch spiderwebs and plant fibers together. It’s also a master of vocal mimicry, occasionally imitating other forest birds to confuse predators or rivals. Another oddity is its feeding style—it sallies out from a perch to snatch insects mid-air, but will sometimes hover like a hummingbird for a few seconds to pluck prey off leaves, a rare behavior among tyrant flycatchers.
Habitats & Distribution
The Hangnest Tody-Tyrant is primarily found in the lowland and foothill forests of eastern Brazil, ranging from the state of Bahia south to São Paulo and into northeastern Argentina. It inhabits humid Atlantic Forest environments, particularly favoring dense undergrowth and edges of secondary forests, as well as gallery forests along watercourses. This species is also known to occur in forest fragments and selectively logged areas, demonstrating some tolerance to habitat disturbance within its limited geographical range.
Behaviours & Reproduction
The Hangnest Tody-Tyrant is generally solitary or found in pairs, with a social structure centered on a monogamous breeding bond. Its most distinctive reproductive strategy involves building a suspended, bag-like nest from moss and spiderwebs, typically attached to a thin, hanging branch over water or steep terrain, which likely reduces predation. Mating involves the male performing short display flights near the female, accompanied by sharp, metallic calls, before copulation. Females lay two white eggs per clutch, and both parents share incubation and feeding duties, though the male’s role in nest construction is minimal beyond gathering materials. The species does not exhibit cooperative breeding or helpers at the nest, and pairs typically raise a single brood per season in their humid forest habitats.
Diet
The Hangnest Tody-Tyrant is an insectivorous bird, with its diet consisting almost exclusively of small arthropods. It forages actively in the mid-story and canopy of humid forests, employing a characteristic “sally-gleaning” technique where it makes short, direct flights from a perch to snatch prey from the undersides of leaves or from the air. Interestingly, this species shows a strong preference for catching spiders, which form a significant portion of its intake, and it often targets prey associated with the hanging, pouch-like nests of social wasps and other insects that build similar structures, a behavior that may relate to its own unique nesting habits.
Colors
The Hangnest Tody-Tyrant has an olive-green upper body with a slightly darker crown, a pale yellow throat and belly, and a faint whitish eye-ring. Its wings and tail are dusky with subtle yellowish edging, and it lacks bold markings or strong camouflage adaptations, blending into the forest canopy through its subdued, uniform coloration.
Distribution Map
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