Birds Active during the day

Western Emerald

Chlorostilbon melanorhynchus

iNaturalist eBird Wikipedia

A living jewel of the Andes, the Western Emerald dazzles with its metallic green feathers and acrobatic flight. This tiny dynamo is a frequent visitor to Colombian and Ecuadorian gardens, bringing a flash of brilliance to every flower it visits.

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0 Habitats

Quick Identification

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Size

Length: 7.5–8 cm (2.9–3.1 in); Weight: 2.5–3.2 g (0.09–0.11 oz)

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Colors

Males are a brilliant, shimmering emerald green throughout with a blue-black forked tail. Females are bronze-green above with light grey underparts and a white spot behind the eye.

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Key Features

Glistening metallic green plumage in males
Straight, entirely black bill
Deeply forked blue-black tail
Distinctive white post-ocular spot in females

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 7-10 AM, 3-6 PM

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Season Year-round

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Diet Primarily nectar-based, favoring tubular flowers of the Ericaceae and Rubiaceae families. They also 'hawk' for small flying insects and glean spiders from webs to supplement their protein intake.

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Habitat Found in humid forest edges, secondary growth, suburban gardens, and agricultural areas like coffee plantations.

public Geographic range

Where Does the Western Emerald Live?

Native to the lush landscapes of South America, the Western Emerald is a specialist of the northern Andean region. It is most commonly found along the western slopes and inter-Andean valleys of Colombia and Ecuador, thriving in the transition zones between lowland forests and montane environments. While it has a relatively restricted global range, it is remarkably adaptable to human-modified landscapes, making it a staple of suburban gardens within its core territory.

Basemap © OpenStreetMap contributors

2 Countries

245K km² Range

Least Concern Conservation

CO Colombia

Marginal

EC Ecuador

Marginal

Elevation range

0 m1,000 m2,000 m4,000 m

600 m – 2,700 m

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iNaturalist / Verified observation data

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Behavior

The Western Emerald is a high-energy acrobat, constantly on the move as it darts between flowering shrubs and trees. Like many emeralds, they are highly territorial and will aggressively defend a rich nectar source from other hummingbirds, often emitting sharp, rapid chirps while chasing intruders away. Their flight is characterized by rapid, jerky movements and a low, buzzing sound produced by their wings.

While they are primarily solitary, they are frequently seen in backyard gardens and coffee plantations, where they have become somewhat accustomed to human presence. They do not migrate, remaining in their Andean territories year-round, which makes them a reliable subject for local birdwatchers and backyard camera enthusiasts.

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Camera Tips

To capture the iridescent 'glow' of a Western Emerald, lighting is everything. Position your camera so the sun is behind you, shining directly onto the bird's chest; this ensures the structural colors of the feathers reflect back into the lens. If the bird is backlit, it will simply appear as a dark silhouette. Aim for a 45-degree angle downward if possible to capture the brilliance of the crown and back.

Because these birds move at incredible speeds, you'll need a camera with a fast trigger and a high shutter speed—ideally 1/2000 of a second or faster to freeze the wing motion. If you are using an AI-powered backyard camera, place it within 2-3 feet of a red or purple tubular flower patch or a hummingbird feeder. Ensure the background is at least 6-10 feet away to create a beautiful 'bokeh' effect that makes the emerald green plumage pop.

Native plants like Fuchsia or Salvia are far more effective than generic feeders for attracting this specific species. These birds are creatures of habit; once they identify a reliable food source in your yard, they will return to the same perch every few minutes. Observe where they sit to rest between feedings and aim your camera at that specific branch—this is often where you will get your sharpest, most detailed 'hero' shots.

Similar Species

Species that look similar or are commonly confused with Western Emerald.

Blue-tailed Emerald

Found east of the Andes; the Western Emerald was formerly considered the same species but is now split based on geography and subtle plumage differences.

Red-billed Emerald

Features a prominent reddish-pink lower mandible, whereas the Western Emerald's bill is completely black.

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Frequently Asked Questions

Western Emeralds are most active during the early morning (7-10 AM) and late afternoon (3-6 PM) when nectar production in flowers is typically at its peak.

Plant native tubular flowers in shades of red, pink, or purple, such as Salvia or Porterweed. Providing a clean nectar feeder with a 4:1 water-to-sugar ratio will also draw them in consistently.

Their diet consists mainly of flower nectar for energy and tiny insects or spiders for protein and minerals, which they often catch mid-air.

Yes, within their range in Colombia and Ecuador, they are very well-adapted to suburban life and are frequent visitors to parklands and home gardens.

The most obvious giveaway is the bill; the Western Emerald has an entirely black bill, whereas the Red-billed Emerald has a distinct reddish-pink lower mandible with a black tip.

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