Birds diurnal

Green-fronted Lancebill

Doryfera ludovicae

A master of the misty highlands, the Green-fronted Lancebill is defined by its incredibly long bill and a forehead that sparkles like a hidden gemstone. Often found near the spray of mountain waterfalls, this hummingbird is a rare and rewarding sight for any backyard observer in the cloud forests.

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Quick Identification

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Size

12-14 cm (4.7-5.5 inches) in length; Weight: 5.8-7.7 g (0.2-0.3 oz)

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Colors

Bronzy-green upperparts with a dark, sooty-green belly. The forehead features a brilliant, iridescent emerald-green patch. The tail is dark with pale gray tips.

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Key Features

Extremely long, straight black bill slightly upturned at the tip
Glittering iridescent green patch on the forehead
Dark, bronzy-green plumage with a notched tail
High-altitude specialist often found near waterfalls

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6-9 AM and 3-5 PM

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Season Year-round, with increased visibility during peak flowering months (varies by local rainfall)

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Diet Specializes in nectar from long, tubular flowers (especially epiphytes and Ericaceae); also catches small insects and spiders in mid-air.

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Habitat Humid montane forests, specifically near ravines, streams, and waterfalls at elevations between 900 and 2,400 meters.

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Behavior

The Green-fronted Lancebill is a specialized hummingbird known for its 'trap-lining' behavior. Unlike many hummingbirds that fiercely guard a single patch of flowers, the Lancebill flies a regular, long-distance route between widely dispersed nectar sources. This disciplined foraging strategy means they are often seen at the same location at almost the exact same time every day.

This species has a unique affinity for water, particularly fast-moving mountain streams and waterfalls. They are frequently observed perching on low-hanging branches over water or mossy rocks. Their nesting habits are equally water-centric; they construct cup-shaped nests out of moss and spiderwebs, often attaching them to rocky ledges or the undersides of bridges where they are protected from the rain but kept moist by the humid environment.

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Camera Tips

Capturing the Green-fronted Lancebill on camera requires an understanding of their routine. Because they are trap-liners, they are predictable. If you spot one near a specific flowering plant or a bridge, set your camera to trigger at that same time the following day. Focus your lens on long, tubular flowers—especially those that hang downward—as the Lancebill’s long bill is perfectly adapted for these specific nectar sources. Placing a camera near a rocky overhang or a small waterfall where they might nest or bathe is also a high-probability strategy.

Due to their dark, bronzy plumage and the shaded environments they inhabit, lighting can be a major hurdle. Position your camera so it catches the light at an angle; this is the only way to reveal the 'glittering' emerald patch on their forehead, which otherwise looks like a dull dark spot. Use a high-speed trigger and a fast shutter speed (at least 1/2000s) to freeze their rapid wing movement. If your AI camera supports video, record in 4K at 60fps to capture the grace of their hovering flight.

If you are trying to attract them to a specific spot for a trail camera, standard hummingbird feeders may work, but specialized feeders with longer 'tubes' or ports will better accommodate their unique bill shape. Place the camera 3-5 feet away from the feeder or flower, angled slightly upward. Because they are sensitive to habitat changes, ensure your camera setup is discreet and camouflaged with natural moss or foliage to avoid spooking them from their established route.

Similar Species

Species that look similar or are commonly confused with Green-fronted Lancebill.

Blue-fronted Lancebill

Found at lower elevations and features a distinct violet-blue patch on the forehead instead of green.

Long-billed Starthroat

Has a similarly long bill but features prominent white facial stripes and a bright pinkish-red throat patch.

Frequently Asked Questions

They are most active during the early morning and late afternoon. As trap-liners, they follow a strict daily schedule, visiting the same flowers at roughly the same time each day.

If you live in their montane range, plant native long-tubed flowers like bromeliads or Ericaceae. They are also attracted to moving water features that mimic mountain streams.

Their diet consists of nectar from deep, tubular flowers and small arthropods (insects and spiders) which they catch in flight to provide necessary protein.

They are generally restricted to humid mountain forests and are only found in suburban areas that are directly adjacent to primary forest or deep ravines with running water.

The key is the forehead patch; the Green-fronted has a glittering emerald green patch, while the Blue-fronted Lancebill has a violet-blue patch. The Green-fronted is also typically found at higher elevations.

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