Blue-chested Hummingbird
Polyerata amabilis
A shimmering jewel of the tropical lowlands, the Blue-chested Hummingbird is a master of precision flight. With its glittering violet-blue plumage and energetic personality, it is a prized sight for any backyard observer.
Quick Identification
Size
Length: 9–10 cm (3.5–3.9 in); Weight: 3.4–4.2 g (0.12–0.15 oz)
Colors
Males have metallic green upperparts, a glittering violet-blue crown and chest, and a white belly. Females are bronze-green above with greyish-white underparts featuring green spotting on the throat.
Key Features
- Glittering violet-blue chest and crown in males
- Straight black bill with a reddish base on the lower mandible
- White spot behind the eye (post-ocular spot)
- Dark, slightly forked tail with pale grey tips on outer feathers
When You’ll See Them
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Behavior
The Blue-chested Hummingbird is an energetic and somewhat elusive inhabitant of the tropical lowlands. Unlike some highly aggressive hummingbirds that defend a single flower patch with ferocity, this species often functions as a 'trap-liner.' This means it follows a consistent, daily route between various nectar sources, visiting flowers in a specific sequence rather than staying in one spot all day.
In the backyard or garden setting, they are quick and agile, often hovering with precision before darting away into the safety of the undergrowth. While they are generally solitary, you may see multiple individuals near a particularly rich food source, like a flowering tree or a well-maintained feeder. They are known for their high-pitched, chipping calls which they often emit while foraging or during brief aerial chases.
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Camera Tips
To capture the brilliant iridescent blue of the Blue-chested Hummingbird, lighting is your most important tool. Position your AI camera so the sun is behind or to the side of the lens. Direct front-lighting or side-lighting is necessary to 'ignite' the structural colors of the male's chest feathers; otherwise, they may appear as a dull, dark grey on camera. Avoid placing the camera in deep shade where the metallic sheen cannot reflect properly.
Because these birds are trap-liners, they are creatures of habit. If your camera catches one at a specific time, it is likely to return at the same time the following day. Set your camera's trigger sensitivity to 'High' to account for their small size and rapid movement. Using a high frame rate (60fps or higher) is highly recommended to prevent motion blur and to capture the incredible mechanics of their hovering flight.
For the best results, mount your camera 3 to 4 feet away from a cluster of native flowering plants like Porterweed (Stachytarpheta) or a hummingbird feeder. Aim the lens at a height of 4 to 5 feet, which is their preferred foraging level. If using a feeder, ensure the camera is slightly angled upward to capture the detail of the bill and the white post-ocular spot. In humid tropical environments, use a rain shield or check the lens frequently for condensation or spider webs, which are common in the forest edges they frequent.
If your camera supports a 'Pre-Roll' or 'Buffer' feature, enable it. Hummingbirds often dart into the frame and back out in seconds; having those extra few seconds of footage before the motion trigger ensures you don't miss the approach. During the rainy season, focus your camera on sheltered nectar sources, as the birds will seek out flowers that are protected from heavy downpours.
Sightings on EverydayEarth
Similar Species
Species that look similar or are commonly confused with Blue-chested Hummingbird.
Frequently Asked Questions
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