<trp-post-container data-trp-post-id='265364'>Plain Crested Elaenia
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En bref
- Scientific Name: Elaenia cristata
- Spanish Name: Fío-fío copetón
- Famille : Tyrannidae
- Known Nicknames: Plain-crested Elaenia, Cristate Elaenia
- Average Length: 13.5–14.5 cm / 5.3–5.7 in
- Average Weight: 10–14 g / 0.35–0.49 oz
- Envergure : N/A
- Key Feature: Subtle, flattened crest with a white or yellowish coronal patch (often hidden)
- Primary Diet: Primarily Frugivore (berries and small fruits), also insectivore
- Range: Northern South America (eastern Colombia, Venezuela, the Guianas, northern Brazil) and disjunct populations in Bolivia and Peru
- Habitat: Open savanna, scrubby grasslands, cerrado, and forest edges
- Structure sociale : Solitaires ou en couples
- Nesting/Breeding: Small cup-shaped nest in a shrub or low tree fork
- Statut de conservation : Préoccupation mineure (LC)
- Évolution démographique : Stable
The Plain-crested Elaenia (*Elaenia cristata*) is a small, active flycatcher found across the grasslands and scrublands of central South America, distinguished by a subtle but defining feature: a flat, often hidden white crown patch that becomes visible when the bird is excited or displaying. Its general appearance is unassuming yet neat, with olive-brown upperparts, a paler grayish throat and breast, and a faint yellowish wash on the belly, complemented by two whitish wing bars. Unique among its relatives, this elaenia lacks the prominent crest of other species, instead sporting a nearly smooth head that gives it a sleek, streamlined silhouette. A special characteristic is its persistent, three-note whistle—often described as a plaintive “*whee-tee-tee*”—which rings out from exposed perches, making it more easily heard than seen in its dry, open habitats.
Faits amusants
The Plain-crested Elaenia has a bizarre, almost punk-like crest that it can raise and lower at will, often flicking it sideways during territorial disputes. It is a master of vocal mimicry, frequently incorporating the calls of other birds into its own song to confuse rivals or predators. Despite its drab appearance, this bird engages in "wing-drooping" displays during courtship, where it hangs one wing limply to the side while hopping erratically—a behavior that looks comically injured but is purely for show. It also has an unusual habit of sallying after insects with its bill open, snapping shut audibly like a tiny castanet.
Habitats et répartition
The Plain Crested Elaenia inhabits open and semi-open landscapes, primarily savannas, shrubby grasslands, and cerrado regions with scattered bushes and low trees. It is also found in woodland edges, second-growth areas, and dry, scrubby hillsides, avoiding dense humid forests. Its geographical range spans central and eastern South America, including much of Brazil (especially the central and northeastern states), eastern Bolivia, Paraguay, and northern Argentina, extending into parts of northern Venezuela and the Guianas. The species is generally resident across this range, though some local movements may occur in response to seasonal conditions.
Comportements & Reproduction
The Plain Crested Elaenia is typically solitary or found in loose pairs during the breeding season, with no complex social structure beyond temporary bonds. Mating habits are not extensively documented, but males likely defend territories and attract females through vocalizations and short display flights. The female builds a small cup-shaped nest of plant fibers and spiderwebs, often in a fork of a shrub or tree, where she lays two eggs. Both parents share incubation and feeding duties, though the female performs most of the nest-sitting. A notable reproductive strategy is their use of concealed, well-camouflaged nests to reduce predation, and they may occasionally reuse or repair old nests in subsequent years.
Alimentation
The Plain Crested Elaenia is primarily frugivorous, with its diet heavily based on small, fleshy fruits such as those from mistletoes (Loranthaceae), melastomes, and other berries found in its savanna and scrubland habitats. It actively plucks fruits while perching or during short sallies, often swallowing them whole. Interestingly, this species plays a key role as a seed disperser for many Neotropical plants, particularly for parasitic mistletoes, as it digests the outer pulp and excretes the sticky seeds onto branches, facilitating germination. During the breeding season, it supplements its diet with small arthropods, including beetles, caterpillars, and flying insects, which it catches in agile aerial pursuits, providing essential protein for chick development.
Couleurs
The Plain-crested Elaenia is mostly plain olive-brown above with a slightly paler, whitish belly and a faint, often indistinct yellowish wash on the lower belly and undertail coverts. It has a subtle, short white supercilium and two pale wing bars on darker wings. Its most distinctive feature is a semi-concealed, erectile white crown patch (the "crest") that is usually hidden but can be raised when excited.
Distribution Map
Places linked to this species. A sighting is never guaranteed.
