Birds diurnal

Glittering-throated Emerald

Chionomesa fimbriata

A shimmering jewel of the South American canopy, the Glittering-throated Emerald is a master of aerial acrobatics. With its brilliant green plumage and white-striped belly, this adaptable hummingbird is a frequent and welcome visitor to backyard gardens.

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Quick Identification

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Size

3.1 to 4 inches (8–10 cm) in length; weighs approximately 0.12 to 0.21 oz (3.5–6 g)

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Colors

Metallic golden-green upperparts; males have a glittering green throat and breast, while females have white-spotted green throats; both have a distinct white stripe down the center of the belly.

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Key Features

Glittering green throat and chest on males
Distinctive white stripe running down the center of the abdomen
Straight bill with a reddish-pink lower mandible and dark tip
Bronzy-green tail with darker outer feathers

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6:00 AM – 9:00 AM and 3:30 PM – 6:00 PM

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Season Year-round; most visible during local peak flowering seasons

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Diet Primarily nectar from a wide variety of native and ornamental flowers; also consumes small spiders and tiny flying insects like gnats for essential protein.

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Habitat Found in open woodlands, forest edges, coastal scrub, plantations, and suburban gardens.

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Behavior

The Glittering-throated Emerald is an active and highly adaptable hummingbird known for its inquisitive nature. Unlike some of its more aggressive relatives, this species is relatively tolerant of other birds, although it will still defend a particularly rich nectar source from rivals. It is a common sight in gardens and parks, where it can be seen hovering with precision, its wings moving so fast they become a transparent blur.

These birds are mostly solitary outside of the breeding season. They spend their day moving between various nectar-producing plants, often following a 'trap-line' route where they visit the same flowers in a specific order. When not feeding, they like to perch on thin, high twigs to preen their iridescent feathers and keep a watchful eye on their territory. They are well-adjusted to human presence and will often continue their business just a few feet away from observers.

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Camera Tips

To capture the best footage of a Glittering-throated Emerald, camera placement is the most critical factor. Position your camera approximately 3 to 4 feet away from a nectar-rich flower cluster or a hummingbird feeder. These birds are small, so the closer you can get while maintaining focus, the better. Aim for a height of 5 feet, which aligns with their preferred foraging height in suburban environments. If possible, set the camera at an angle where the sun is behind the lens; this ensures the light hits the 'glittering' throat feathers directly, creating that brilliant green flash on video.

Because hummingbirds move with lightning speed, use a camera with a high frame rate or a 'Sports' trigger setting. If your AI camera allows for sensitivity adjustments, set it to high—the small size and rapid movement of an emerald can sometimes fail to trigger sensors designed for larger animals. To keep them in the frame longer, provide a 'staging' perch—a very thin, bare twig placed about two feet away from the food source. They will often land there to scan the area before and after feeding, providing a perfect still-shot opportunity.

Consider the background of your shot to ensure the bird stands out. A shaded, dark green foliage background will make the iridescent green of the bird pop, whereas a bright, blown-out sky will wash out their colors. If you are using a feeder to attract them, keep it meticulously clean and change the nectar every two days in hot weather. The consistent presence of fresh food will make your backyard a mandatory stop on the bird's daily foraging route, ensuring regular 'visits' to your camera.

Similar Species

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

Versicolored Emerald

Lacks the distinct white vertical stripe on the belly and often has more white on the throat and breast.

White-chested Emerald

Has a much more extensive and solid white area on the chest and throat compared to the Glittering-throated Emerald.

Frequently Asked Questions

Glittering-throated Emeralds are most active during the early morning hours just after sunrise and again in the late afternoon before dusk, as they 'refuel' their high metabolism.

The best way to attract them is by planting native tubular flowers like Salvia or Hibiscus, or by hanging a hummingbird feeder filled with a 4:1 water-to-sugar ratio solution.

Their diet consists mainly of floral nectar for energy and small insects or spiders for protein and minerals.

Yes, they are highly adaptable and are one of the most common hummingbird species found in South American gardens, parks, and urban green spaces.

Look for the straight bill with a reddish lower mandible and the distinctive white stripe running down the center of its green belly, which separates it from similar 'emerald' species.

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