Buff-tailed Coronet is a small hummingbird in the genus Boissonneaua, native to high Andean habitats. The species is notable for its buff tail and vibrant green plumage.
Scientific Name and Classification
Scientific name Boissonneaua flavescens
Family Trochilidae the hummingbird family
Endemic to Andean ecosystems in parts of South America
Conservation Status
Conservation status varies by region, reflecting habitat protection and local pressures. The Buff-tailed Coronet is not commonly listed in global trade listings, though regional threats can exist. For context among Andean hummingbirds, see the Green-crowned Brilliant.
Physical Appearance and Size
Coloration and Tail Features
The Buff-tailed Coronet earns its name from the buff colored tail feathers that contrast with the iridescent emerald back and crown. The body shows a patchwork of green tones that shimmer in sunlight, and the bill remains long and slender as typical of nectar feeders.
Buff colored tail feathers
Iridescent green back and crown
Long, slender bill
Size and Weight
Length 9 to 10 cm
Mass 2.5 to 3.5 grams
Habitat and Andes Range
Altitude Preferences
The Buff-tailed Coronet is typically found at high elevations, commonly between 2,000 and 4,500 meters. In many locales it is frequent above 3,000 meters, where flowering shrubs provide nectar year-round. For context among high elevation nectar feeders, see the Broad-tailed Hummingbird.
Typical Habitat Types
Cloud forests and páramo edges host the Buff-tailed Coronet, along with montane forests steeped in flowering shrubs. These habitats support a mosaic of nectar sources that sustain daily movements at high altitude.
Diet and Feeding Habits
Natural Diet
Its diet consists mainly of nectar from flowers, with small insects supplementing protein. This energy mix supports rapid flight and territorial defense in crowded feeding zones. For comparison with other nectar feeders, see the Ruby-topaz Hummingbird.
Nectar Sources in the Andes
Tube-shaped blossoms are common in the highlands, and bloom timing shifts with altitude and season. Nectar sources vary by region, so observers should track local flowering calendars. In nearby habitats, the Plain-capped Starthroat relies on similar floral resources for sustenance, illustrating how highland hummingbirds share ecological niches.
Observers should note that other high elevation specialists, such as the Fiery-throated Hummingbird, exhibit distinct plumage and feeding patterns, highlighting the diversity of Andean nectar feeders.
Behavior and Adaptations
Territoriality and Displays
The Buff-tailed Coronet defends feeding sites with swift dashes and rapid wingbeats, a pattern common among Andean hummingbirds. These displays help secure nectar resources in crowded highland habitats.
Breeding and Vocalizations
Males perform high pitched calls during the breeding season, and nests are built on shrubs using plant fibers and spider silk for structure. Such adaptations support reproductive success in windy, open terrains at altitude.
Care Tips and Field Observations
Field Observation Tips
Approach quietly to avoid disturbance and give the bird space. Hovering near nectar sources is common, especially at dawn or late afternoon when light is favorable.
Approach quietly to avoid disturbance
Hovering near nectar sources is common
Best viewing at dawn or late afternoon
Conservation and Ethical Watching
Observe from a distance in protected areas and do not capture or handle wild birds. Responsible watching helps protect this rare and delicate hummer in its natural habitat, particularly in the Andes.
Final Note
Observing the Buff-tailed Coronet in its native ranges supports appreciation for Andean ecosystems. Consistent, low-impact viewing minimizes disturbance and preserves these remarkable birds for future generations.
FAQs: Buff-tailed Coronet
Where is the Buff-tailed Coronet commonly found?
Across Andean regions in parts of Colombia and Ecuador, at high elevations.
What does the Buff-tailed Coronet primarily feed on?
Nectar from high altitude flowers, with small insects for protein.
How can I identify a Buff-tailed Coronet in the wild?
Bright iridescent green plumage and a buff tail are distinctive features.
Is it legal to keep Buff-tailed Coronet as a pet?
Legal status varies by country; generally requires permits and wildlife regulations.
Final Note
Buff-tailed Coronet observations should remain respectful of wild populations and their habitats.
The White-Tailed Hillstar is a high elevation hummingbird adapted to the Andean paramos, notable for its white outer tail feathers. This guide covers its taxonomy,…
Discover the Scaly-breasted Hummingbird, a rare rainforest dweller from Central America known for its distinctive scaly breast. This profile covers appearance, habitat, diet, behavior, and…
The Long-Billed Hermit is a rare hermit hummingbird notable for its long bill and dull plumage. This guide covers its behavior, habitat, diet, and responsible…
The Blue-Capped Hummingbird is a rare Bolivian endemic with a distinctive blue crown. This guide outlines its taxonomy, habitat, diet, and conservation needs to assist…
The Black-bellied Hummingbird is a small, Mexico-endemic nectar feeder known for the male’s striking black belly and green back. This guide covers appearance, habitat, diet,…
