Birds diurnal

Graceful Black-throated Trogon

Trogon tenellus

A hidden gem of the tropical mid-story, the Graceful Black-throated Trogon blends emerald elegance with a strike of sun-yellow brilliance. Discover how to spot this patient hunter as it guards the shadows of the forest edge.

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Quick Identification

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Size

23-25 cm (9-10 inches) in length; weighs approximately 50-60g (1.8-2.1 oz)

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Colors

Males feature iridescent green upperparts and a black throat contrasting with a bright yellow belly; females are olive-brown where the male is green.

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Key Features

Bright yellow underparts
Fine black-and-white horizontal barring on the undertail
Broken white eye-ring
Metallic green head and back (males) or warm brown (females)

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 - 5:30 PM

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Season Year-round, with increased activity during the breeding season from March to July.

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Diet A mix of large insects (especially caterpillars, katydids, and cicadas) and small forest fruits or berries.

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Habitat Humid lowland forests, mature secondary growth, and shaded forest edges; occasionally found in older suburban gardens with significant tree cover.

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Behavior

The Graceful Black-throated Trogon is a master of patience. Unlike many tropical birds that flit restlessly through the canopy, this species is known for sitting perfectly still for extended periods on mid-story branches. They often remain upright and motionless, scanning the surrounding foliage for movement, making them a delightful challenge for backyard observers to spot without the help of motion-activated technology.

When they do move, it is usually in a sudden, acrobatic burst known as 'sally-gleaning.' They will fly out to pluck a caterpillar or a berry from a leaf and then return to a different perch to consume it. They are generally solitary birds, though they may be seen in pairs during the breeding season. While they aren't particularly shy around humans, their cryptic coloring and sedentary nature mean they are more often heard—making a series of soft, rhythmic whistles—than seen.

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Camera Tips

Capturing the Graceful Black-throated Trogon on camera requires a strategy focused on their unique 'sit-and-wait' hunting style. Unlike hummingbirds that frequent feeders, trogons are attracted to specific structural elements in your yard. Place your AI camera at a mid-level height, roughly 6 to 12 feet off the ground, aiming at horizontal, unobstructed branches that serve as perfect perches. Trogons prefer perches with a clear view of surrounding foliage where they can scan for insects.

Because these birds can remain motionless for minutes at a time, your camera's PIR (passive infrared) sensor might not always trigger if the bird is just sitting. To counter this, use a 'Time Lapse' mode set to take a photo every 1-2 minutes during peak morning hours, or ensure your motion sensitivity is set to the highest possible level. If your camera supports it, a 'Pre-trigger' or 'Dual-Detection' setting is invaluable for catching the moment they suddenly fly out to grab a snack.

If you want to lure them into your camera's frame, planting native fruiting trees like those in the Melastomataceae family or wild nutmeg can be very effective. Unlike many birds, trogons are not attracted to traditional seed feeders, so natural vegetation is your best 'bait.' Position the camera so it has a clear line of sight to these fruiting clusters, but keep the lens slightly shaded to prevent the tropical sun from blowing out the vibrant yellow of their bellies.

For the best results, use a high shutter speed or 'Sports Mode' setting. While they sit still most of the time, their flight is rapid and jerky. A fast trigger speed (0.2 seconds or less) is the difference between a beautiful shot of a green-and-yellow jewel and a blurry tail disappearing out of frame. Video mode is also highly recommended to capture their distinctive tail-flicking behavior and soft hooting calls.

Similar Species

Species that look similar or are commonly confused with Graceful Black-throated Trogon.

Gartered Trogon

Has a complete yellow eye-ring and a more complex black-and-white 'lattice' pattern on the tail.

Slaty-tailed Trogon

Much larger with a solid grey-black undertail and a bright orange-red bill.

Collared Trogon

Features a red belly instead of yellow and a distinct white breast band.

Frequently Asked Questions

They are most active in the early morning hours just after sunrise and again in the late afternoon before dusk, when they are most vocal and actively foraging for insects.

To attract them, maintain mature native trees and avoid pesticides, as they rely on large insects and caterpillars. Planting native fruiting shrubs and providing a quiet, shaded environment is key.

Their diet consists of a variety of invertebrates like katydids, stick insects, and caterpillars, supplemented by small oily fruits and berries plucked mid-flight.

They are somewhat uncommon in high-density suburban areas but can be frequently found in 'leafy' suburbs that border tropical forests or contain large patches of mature, original vegetation.

Look at the tail and the eye-ring. The Graceful Black-throated Trogon has fine horizontal barring on the undertail and a broken white eye-ring, whereas the Gartered Trogon has a solid yellow eye-ring and a different tail pattern.

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