Birds diurnal

Buff-bellied Hummingbird

Amazilia yucatanensis

The bold, red-billed emerald of the South. The Buff-bellied Hummingbird is a feisty, cinnamon-tailed gem that defies the typical migration rules of the bird world.

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Quick Identification

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Size

Length: 3.9–4.3 in (10–11 cm); Wingspan: 5.7–5.9 in (14.5–15 cm); Weight: 0.1–0.18 oz (2.9–5.1 g)

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Colors

Metallic golden-green head and back; vibrant iridescent green throat (gorget); pale cinnamon-buff belly; rufous tail feathers with green central accents; bill is bright red with a dark tip.

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Key Features

Bright reddish-orange bill with a dark tip
Pale cinnamon or 'buff' colored belly
Large, rufous-colored tail often seen fanned while feeding
Golden-green upperparts with a metallic sheen

When You’ll See Them

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Activity pattern diurnal

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Peak hours Sunrise to 10:00 AM and 4:00 PM to sunset

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Season Year-round in South Texas; October-March along the Gulf Coast

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Diet Primarily nectar from tubular flowers and sugar-water from feeders; also consumes small spiders and flying insects for protein, often caught mid-air (hawking) or gleaned from foliage.

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Habitat Subtropical brush, citrus groves, woodland edges, and urban gardens with dense flowering shrubbery.

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Behavior

The Buff-bellied Hummingbird is the 'tough guy' of the Rio Grande Valley. Notoriously territorial and vocal, this species is often the first one you'll hear when stepping into a South Texas garden. They are known for their loud, sharp 'chip' calls and a persistent 'tsee-wee' song. Unlike many smaller hummingbirds that might be intimidated by human presence, the Buff-bellied is bold and will often perch in plain sight to defend its favorite nectar source from intruders, including larger birds.

This species is unique among North American hummingbirds because it actually migrates north and east during the winter. While many hummers head to the tropics, the Buff-bellied moves along the Gulf Coast from Texas toward Louisiana and Mississippi. They are solitary foragers but will congregate around high-value feeders, where their aggressive aerial displays and 'tail-fanning' behavior make for spectacular viewing.

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Camera Tips

Capturing the Buff-bellied Hummingbird requires a camera with a fast trigger speed, as their movements are lightning-quick. For the best results, position your camera approximately 15 to 20 inches from a hummingbird feeder. Because this species is larger than the Ruby-throated Hummingbird, ensure the frame is wide enough to capture their impressive rufous tail when it fans out. To truly highlight their metallic green plumage, set your camera at a 45-degree angle to the morning sun; this will cause the iridescent throat feathers to 'glow' in the footage.

If you are using an AI-powered camera, the Buff-bellied’s bright red bill is a primary identification marker. Try to place the feeder against a dark, shaded background like a thick hedge. This high-contrast setup helps the AI focus more accurately on the bird and makes the cinnamon belly pop in the video. Since they are highly territorial, if you see one perched on a specific twig near your feeder, move a secondary camera to focus on that branch. This is where they will spend 80% of their time 'guarding' their territory, offering much steadier, more detailed shots than when they are hovering.

To lure them into a specific camera frame, plant native Texas species like Turk’s Cap (Malvaviscus arboreus) or Firebush (Hamelia patens). The Buff-bellied is particularly fond of these red, tubular flowers. If your camera has manual settings, aim for a shutter speed of at least 1/1000th of a second to freeze the wing motion, or 1/250th if you want to capture that beautiful artistic 'blur' that highlights their speed. During the winter months along the Gulf Coast, keep your feeders clean and full; a Buff-bellied will visit every 15-20 minutes like clockwork if they've claimed your yard as their winter territory.

Similar Species

Species that look similar or are commonly confused with Buff-bellied Hummingbird.

Rufous Hummingbird

The Rufous has an all-black bill and lacks the Buff-bellied's solid green throat and chest.

Broad-billed Hummingbird

While both have red bills, the Broad-billed has a blue throat and a dark, notched tail instead of a rufous one.

Ruby-throated Hummingbird

Much smaller with a white belly and black bill; lacks the cinnamon coloring and the red bill of the Buff-bellied.

Frequently Asked Questions

They are most active during the first three hours after sunrise and the two hours before sunset, though they will visit feeders throughout the day to maintain their high metabolism.

Plant red tubular flowers like Turk's Cap or Coral Honeysuckle, and provide a clean nectar feeder (4 parts water to 1 part white sugar). They prefer gardens with dense shrubs for perching and nesting.

Their diet consists mainly of floral nectar and sugar water, supplemented by small insects and spiders which provide essential protein and minerals.

Yes, they are very well-adapted to suburban gardens, particularly in the Rio Grande Valley and along the Texas and Louisiana coasts where nectar-producing plants are abundant.

Look at the bill and belly. The Buff-bellied has a bright red bill with a dark tip and a green throat, while the Rufous has an all-black bill and much more orange/rufous on its body and face.

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