White-eared Conebill

Conirostrum leucogenys

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Quick Facts

  • Scientific Name: Conirostrum leucogenys
  • Spanish Name: Pico de cono orejiblanco
  • Family: Thraupidae
  • Known Nicknames: None
  • Average Length: 9–10 cm / 3.5–4 in
  • Average Weight: 6–8.2 g / 0.21–0.29 oz
  • Wingspan: 14–17 cm / 5.5–6.7 in
  • Key Feature: Distinctive white cheek patch and a sharp, conical bill
  • Primary Diet: Insectivore and Nectarivore
  • Range: Panama, Northern Colombia, and Northern Venezuela
  • Habitat: Tropical lowland forest edges, clearings, and secondary growth
  • Social Structure: Pairs or small groups, frequently joining mixed-species foraging flocks
  • Nesting/Breeding: Small cup nests located in tree canopies
  • Conservation Status: Least Concern (LC)
  • Population Trend: Stable

The White-eared Conebill (*Conirostrum leucogenys*) is a petite and spirited songbird native to the tropical forest edges and woodlands of Panama, Colombia, and Venezuela. True to its name, this species is most easily identified by its striking, bright white cheek patches that contrast sharply against a blackish crown and blue-gray upperparts. Measuring only about 9 to 10 centimeters in length, it possesses a slender, sharply pointed "conical" bill—a specialized tool perfectly adapted for probing flowers for nectar and gleaning small insects from the foliage. Often found flitting energetically through the canopy in mixed-species flocks, the White-eared Conebill is a master of movement, distinguished further by its warm, buffy or rufous-toned underparts that vary slightly across its range, making it a subtle yet captivating gem of the South American birding world.

Fun Facts

These acrobatic birds are famous for their upside-down foraging style, often clinging to the tips of branches like tiny gymnasts to reach hidden insects or nectar. One of their most clever survival strategies involves building their nests in close proximity to active social wasp colonies; this provides a natural security system, as the aggressive wasps deter potential predators while leaving the birds unbothered. Despite their small size, they are bold socialites that frequently act as leaders in mixed-species foraging flocks, using their specialized, needle-sharp conical bills to precisely pierce the base of flowers to steal nectar without assisting in pollination.

Habitats & Distribution

This species is primarily distributed across northern South America, spanning from eastern Panama through northern Colombia and into northern and central Venezuela. It is typically found in lowlands and foothills, generally occurring at elevations below 1,000 meters, although it may reach slightly higher altitudes within specific inter-Andean valleys. In terms of habitat, it favors semi-open environments such as deciduous forests, light woodlands, and the edges of humid tropical forests. It is also commonly found in mangroves, gallery forests, and urban areas like gardens and parks with abundant flowering trees. It tends to stay within the canopy or mid-story levels, avoiding the deep interior of dense, primary rainforests.

Behaviours & Reproduction

These birds are primarily found in pairs or small family groups and are known for their active, restless nature as they forage in the upper levels of the canopy. They frequently join mixed-species flocks, moving alongside other tanagers and warblers to glean insects and nectar from foliage. Their social structure is relatively stable, though they maintain territorial boundaries during the breeding season through subtle vocalizations and active patrolling of their preferred foraging areas. Reproduction is typically monogamous, with the breeding season varying by region but often peaking between February and May. They construct small, cup-shaped nests made of fine plant fibers and moss, usually hidden securely within the fork of a high branch. A typical clutch consists of two eggs, and while the female handles most of the incubation, both parents are involved in feeding the nestlings, ensuring a high level of biparental care until the young are independent.

Diet

The White-eared Conebill maintains a diverse diet primarily consisting of small insects, spiders, and larvae which it expertly gleans from the leaves and branches of the forest canopy. Supplementing this protein-rich intake, the species frequently consumes nectar from various flowering trees and occasionally feeds on small succulent fruits. An interesting feature of its dietary behavior is its specialized, sharply pointed bill, which functions as a precision tool for probing into flower corollas and tight crevices to extract hidden invertebrates. Additionally, these birds are highly social foragers, often joining mixed-species flocks to capitalize on the collective ability to flush out prey while moving rapidly through the upper layers of humid forests and woodland edges.

Colors

The White-eared Conebill is characterized by its signature white ear patches set against a black crown and blue-gray upperparts. Males exhibit buffy underparts with rufous undertail coverts, while females appear duller with olive-green tones that provide camouflage in forest canopies. This small tanager's subtle gray and green plumage allows it to blend into tropical foliage, punctuated only by its distinct facial markings and sharp, pointed bill.

Distribution Map

Places linked to this species. A sighting is never guaranteed.