Animalia · Trochilidae
Violet-headed Hummingbird
Klais guimeti
LC · Least Concern
Overview
The violet-headed hummingbird (Klais guimeti) is one of the smallest hummingbirds in Tortuguero, at just 8–9 cm and 3–4 g. Males are unmistakable: a brilliant violet-blue cap and throat contrast sharply with a white post-ocular spot and a green-bronze back. Females are duller, with bluish-grey head and pale underparts, but share the distinctive white spot behind the eye.
Despite its tiny size this species is aggressive at flowers, chasing larger hummingbirds away from favored nectar sources. It hovers precisely, probing tubular flowers with a short, straight bill, and takes small insects in aerial sallies to supplement its sugar-and-protein diet.
Why Tortuguero
Tortuguero’s combination of intact humid lowland forest and cleared lodge gardens creates the edge-rich, flower-diverse habitat that violet-headed hummingbirds favor. Heliconias — the lobster-claw plants that line every canal bank — are a primary food source, and the park’s interior maintains the forest structure necessary for insect hunting. The species is also a pollinator of several epiphytes and understory plants, linking it into the ecology of the forest interior rather than just the garden edge.
How to see them (honestly)
- Flowering heliconias along the canal banks and around lodge gardens produce reliable sightings; scan any flowering patch slowly.
- The white post-ocular spot is the field mark to key on — it is visible even on fast-moving birds and distinguishes this species from other tiny hummingbirds.
- Males perch prominently to advertise territory, often on a bare twig just above a favored flower patch — watch for that behavior in the first hour after sunrise.
- Females are quieter and more likely seen hovering in forest gaps than perching in the open.
- They are fast; the flash of violet is usually the first thing you register, not the bird itself.
Status note
The IUCN lists the violet-headed hummingbird as Least Concern with a stable population across its range. Deforestation on the Caribbean slope poses a general threat to hummingbird diversity, but the species tolerates some edge and degraded habitat. Inside Tortuguero, habitat is intact and the population appears stable. No specific local conservation concern.
Sources
- Avibase — Klais guimeti in Costa Rica (CRli03) · accessed 2026-05-21
- Birds of the World — Violet-headed Hummingbird, Caribbean slope Costa Rica · accessed 2026-05-21