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Rivoli's Hummingbird
Birds diurnal

Rivoli's Hummingbird

Eugenes fulgens

The 'Mountain Gem' of the Southwest, Rivoli's Hummingbird is a towering beauty of the avian world, sporting a regal purple crown and an emerald throat that shimmers like jewelry.

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Quick Identification

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Size

11-14 cm (4.3-5.5 in) long; 18 cm (7 in) wingspan; 6-10 g (0.2-0.35 oz) weight

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Colors

Males feature a brilliant emerald-green throat and a royal purple crown with a dark bronze-green body. Females are more subdued with metallic green upperparts and salted-gray underparts.

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Key Features

  • One of the two largest hummingbird species in North America
  • Distinctive white spot behind the eye on both sexes
  • Male's iridescent purple cap and green gorget
  • Long, straight black bill and slightly notched tail

When You’ll See Them

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Activity pattern diurnal
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Peak hours 6-10 AM and 4-7 PM
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Season May-September (US), Year-round (Mexico and Central America)
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Diet Primary diet consists of nectar from deep-throated flowers and feeders; also consumes small spiders and flying insects for essential protein.
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Habitat High-altitude mountain canyons, pine-oak woodlands, and shaded suburban gardens near forest edges.

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Behavior

The Rivoli's Hummingbird, formerly known as the Magnificent Hummingbird, carries an air of elegance that matches its old name. Despite their impressive size, they are remarkably graceful fliers. Unlike the hyper-aggressive smaller hummingbird species, Rivoli's are generally more placid at feeders. They often use their size to quietly dominate a feeding station without the frantic chasing seen in other species, though they will occasionally dive-bomb intruders if provoked.

In the wild, these birds are 'trap-liners,' meaning they follow a routine circuit of flowering plants rather than defending a single patch of blooms. They are highly efficient foragers, often seen hovering with steady, powerful wingbeats while extracting nectar. To humans, they are often approachable but maintain a dignified distance, frequently returning to a favorite high perch between foraging bouts to survey their surroundings.

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Camera Tips

Capturing the Rivoli's Hummingbird on camera requires a focus on light and scale. Because their stunning purple and green colors are structural—meaning they only appear when light hits them at a specific angle—position your camera facing north or south. This ensures the sun is at a side angle or behind the camera for most of the day, which maximizes the 'fire' or iridescence of the male's throat and crown. A camera with a high frame rate is essential for these birds; aim for at least 60 frames per second to reduce wing blur, though their larger size makes them slightly easier to track than tiny species.

Since Rivoli's are significantly larger than the common Black-chinned or Broad-tailed hummingbirds, you should mount your camera 2 to 3 feet away from your feeder or flower cluster. If your camera is too close, you may lose part of the bird's impressive wingspan in the frame. Using a feeder with a perch is highly recommended; while they can hover perfectly well, these larger birds often prefer to land and rest while drinking, which provides a stable, long-duration shot for your AI to identify and record.

For the most natural-looking shots, try placing your camera near native nectar plants like Agastache (Hummingbird Mint) or Penstemon. If using a feeder, ensure it is a high-volume model, as these birds consume significantly more sugar water than their smaller cousins. Late afternoon is the golden hour for Rivoli's; the softening light often brings out the deep bronze tones in their feathers that are normally missed in harsh midday sun. Set your motion trigger sensitivity to high, as even a bird of this size moves with surprising speed when entering the frame.

Similar Species

Species that look similar or are commonly confused with Rivoli's Hummingbird.

Blue-throated Mountain-gem

Larger overall with a massive tail featuring bold white corners, and the male lacks the purple crown.

Black-chinned Hummingbird

Significantly smaller; while the male has a purple throat band, it lacks the overall green body and large white eye-spot.

Frequently Asked Questions

Rivoli's Hummingbirds are most active during the early morning hours shortly after sunrise and again in the late afternoon before dusk. During the heat of the day, they often retreat to shaded perches in the forest canopy.
To attract Rivoli's Hummingbirds, provide large-capacity feeders filled with a 4:1 water-to-sugar ratio. Planting native high-altitude flowers like scarlet sage, honeysuckle, and penstemon will also create a natural draw for them.
Their diet is primarily sugar-rich nectar from flowers and feeders. However, they are also skilled hunters, catching small gnats and midges in mid-air or picking spiders directly off their webs to get necessary protein and minerals.
They are common in suburban areas only if those areas are located at higher elevations (above 5,000 feet) or near wooded mountain canyons in the Southwestern United States, Mexico, and Central America.
Rivoli's Hummingbirds have a dark, slightly notched tail and the male has a purple crown. In contrast, the Blue-throated Mountain-gem is even larger, lacks the purple crown, and has massive white outer tail feathers that are very prominent when it flies.

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