Birds diurnal

Glittering-bellied Emerald

Chlorostilbon lucidus

A jewel of the South American garden, the Glittering-bellied Emerald brings a flash of iridescent green and a dash of feisty personality to any backyard. This hardy little hummingbird is a favorite for photographers thanks to its striking red bill and fearless nature.

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Quick Identification

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Size

7.5–10.5 cm (3–4.1 in) in length; Weight 3–4 g (0.11–0.14 oz)

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Colors

Iridescent emerald green body; males have a glittering golden-green belly and bright red bill with a black tip; females have grayish-white underparts

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Key Features

Bright reddish-orange bill with a black tip
Iridescent emerald green plumage
Forked bluish-black tail
White spot behind the eye (more prominent in females)

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6:00 AM – 10:00 AM and 4:00 PM – Sunset

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Season Year-round in most of its range, with peak activity during spring and summer flowering cycles.

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Diet Primarily nectar from native tubular flowers; also consumes small insects and spiders (gleaned from leaves or caught mid-air) for essential protein.

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Habitat Highly adaptable, found in open woodlands, forest edges, scrublands, city parks, and suburban gardens.

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Behavior

The Glittering-bellied Emerald is a bundle of high-octane energy. These hummingbirds are fiercely territorial, often seen chasing away larger birds or even other hummingbirds from their favorite nectar sources. In your backyard, you’ll notice they have a distinct "route" they follow, visiting specific flowers at regular intervals—a behavior known as trap-lining.

Despite their small size, they are incredibly bold around humans. If you have a feeder, they may hover just inches away from you to investigate. During the breeding season, males perform spectacular U-shaped diving displays to impress females, chirping a high-pitched, metallic song that belies their tiny stature.

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Camera Tips

To capture the stunning iridescence of the Glittering-bellied Emerald, camera placement is everything. Position your AI-powered camera or trail cam about 3 to 5 feet away from a sugar-water feeder or a cluster of native tubular flowers like Salvia or Hibiscus. Aim for a mounting height of 4 to 5 feet, which aligns with their preferred hovering level. To avoid motion blur, ensure your camera is set to its highest shutter speed or "action" mode—these birds beat their wings up to 80 times per second, and a standard setting will only capture a green blur.

Lighting is the "secret sauce" for this species. Try to angle your camera so the sun is behind the lens, shining directly onto the bird's chest and belly. This "front-lighting" is what makes their glittering feathers pop; without direct light, they can look like plain dark birds in photos. The golden hours of early morning (the first two hours after sunrise) provide a soft, warm glow that beautifully highlights the red in their bills without creating the harsh shadows of midday.

If you are using a motion-triggered camera, set the sensitivity to high. Because hummingbirds are so small and move so fast, a standard PIR sensor might miss the trigger entirely. Use a "burst mode" that takes 3 to 5 photos in quick succession to increase your chances of catching a perfect wing spread. Also, ensure the area behind your target flower is clear of moving branches, as the high sensitivity required to catch a hummingbird will otherwise result in hundreds of false triggers from the wind.

Similar Species

Species that look similar or are commonly confused with Glittering-bellied Emerald.

Gilded Hummingbird

Larger with a more extensively red bill and a distinct blue crown on the head.

Fork-tailed Woodnymph

Has a much longer, more deeply forked tail and lacks the bright red bill of the Emerald.

Frequently Asked Questions

They are most active in the early morning and late afternoon. You will often see a peak in feeding activity right at sunrise as they refuel from the night, and again before dusk.

The best way to attract them is by planting native red or orange tubular flowers like Salvia, Fuchsia, or Campsis. They also readily visit sugar-water feeders (use a 4:1 water-to-sugar ratio with no red dye).

Their diet is mostly nectar for energy, but they are also skilled hunters. They eat tiny insects and spiders, often catching them in mid-air or picking them out of spider webs to get the protein needed for growth and egg production.

Yes, they are very well-adapted to human environments. They are one of the most common hummingbirds found in gardens and city parks throughout Argentina, Brazil, and Uruguay.

Look for the bill: the Glittering-bellied Emerald has a distinctive bright reddish-orange bill with a black tip. This distinguishes them from many other 'emeralds' that have entirely dark bills.

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