Gilded Hummingbird
Hylocharis chrysura
Order: Apodiformes / Family: Trochilidae
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About the Gilded Hummingbird
The Gilded Hummingbird, scientifically known as Hylocharis chrysura, is a captivating species within the family Trochilidae. This small yet vibrant bird exhibits a stunning array of golden-green plumage that reflects sunlight in a dazzling display, characteristic of its common name. Found primarily in the tropics of South America, the Gilded Hummingbird inhabits regions such as Brazil, Argentina, Paraguay, and Bolivia. Its presence is most notable in subtropical and tropical forests, as well as in lowland areas and secondary growth woodlands.
This species plays a crucial ecological role as a pollinator. By feeding on nectar from a variety of flowering plants, the Gilded Hummingbird facilitates cross-pollination, which is vital for the reproduction of many plant species. Its long, specialized bill and rapid tongue movements enable it to access deep floral nectars, often those not reachable by other species. This ecological interaction underscores the significance of the Gilded Hummingbird in its habitat, contributing to biodiversity and the health of its ecosystem.
Seasonally, the Gilded Hummingbird remains relatively sedentary, with some local movements influenced by flowering seasons rather than long migrations. This behavior contrasts with many other hummingbird species known for their extensive migratory patterns. During breeding periods, typically coinciding with the peak of flowering seasons, these birds become more active in seeking territories abundant in floral resources. The Gilded Hummingbird, with its unique adaptations and ecological contributions, remains a vital component of South America's avian diversity.
The Gilded Hummingbird belongs to the family Trochilidae, within the order Apodiformes. These birds typically live 4-6 years, with the maximum recorded at 9 years.
How to Identify a Gilded Hummingbird
The Gilded Hummingbird displays a remarkable golden-green plumage, with iridescent feathers that catch the light, giving it a 'gilded' appearance. Adult males and females are similar in coloration, though males may exhibit slightly brighter and more intense hues. A distinguishing feature includes the bird's small size, typically measuring around 8-9 cm in length, with a wingspan of approximately 12 cm. Their bill is straight and slender, well adapted for nectar feeding.
Juveniles resemble adults but may have a slightly duller plumage and lack the full intensity of the metallic sheen. Both sexes have a white patch behind the eye which aids in identification. Unlike some other hummingbird species, the Gilded Hummingbird does not show significant sexual dimorphism in coloration but can be discerned by slight size differences, with females generally being marginally larger.
In flight, the Gilded Hummingbird's rapid wingbeats and agile maneuvers can be observed. When perched, it maintains an upright posture, often on exposed branches, which allows for easy detection despite its small size. Confusion with similar species like the Glittering-bellied Emerald can occur, but the distinct golden tint of the Gilded Hummingbird's plumage is a reliable distinguishing factor.
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Gilded Hummingbird Habitat and Range
Preferred Habitat
The Gilded Hummingbird thrives in diverse habitats, primarily within subtropical and tropical moist forests. It particularly favors edge environments where flowering plants are abundant. This species is frequently observed in lowland areas, but it can also inhabit montane forests up to elevations of about 1,500 meters.
During different seasons, the Gilded Hummingbird may shift habitats slightly, moving to areas where flowering plants are in peak bloom. While generally preferring natural habitats, the bird also frequents gardens and plantations, especially where ornamental flowers provide ample nectar. Its adaptability to urban environments is moderate, with some individuals venturing into city parks and green spaces where feeders attract them.
Though primarily found in rural and forested regions, the presence of the Gilded Hummingbird in urban areas underscores its adaptability to human-altered landscapes. Such versatility in habitat preference helps ensure its relatively stable population across its range.
Geographic Range
The Gilded Hummingbird's range spans several South American countries, with prominent populations in Brazil, Argentina, Paraguay, and Bolivia. Its breeding range is primarily restricted to these regions, where it occupies various forest types and open wooded areas.
Unlike many hummingbird species that undertake extensive migrations, the Gilded Hummingbird exhibits more localized movements, generally dictated by the availability of flowering plants. This species does not typically migrate over long distances, although some altitudinal migrations may occur in response to seasonal changes in flower availability.
Population density tends to be higher in areas where suitable habitat and abundant nectar sources coincide. In Brazil, for instance, the Atlantic Forest and Pantanal regions serve as important habitats, supporting significant numbers of Gilded Hummingbirds. Similarly, the species is well established in the Yungas and humid Chaco regions of Argentina. Such regions highlight the hummingbird's preference for humid, forested environments, although it can also be found in savannas and scrublands.
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What Does the Gilded Hummingbird Eat?
The Gilded Hummingbird primarily feeds on nectar from a wide array of flowering plants, including those in the families Gesneriaceae and Rubiaceae. This nectar provides the high-energy fuel necessary for their rapid metabolism and active lifestyle. During periods when flowers are scarce, the Gilded Hummingbird may supplement its diet with small insects and spiders, which provide essential proteins and nutrients.
Seasonal changes in flower availability can lead to shifts in diet, with the hummingbird adjusting its foraging behavior accordingly. During peak flowering seasons, its diet heavily relies on nectar, with individuals aggressively defending rich floral territories. The bird employs a hovering feeding technique, using its long bill to access nectar deep within flowers while its wings beat at incredible speeds.
Feeding occurs throughout the day, with peaks during early morning and late afternoon when floral nectar is most abundant and competitors less active. The Gilded Hummingbird's ability to forage efficiently in diverse environments highlights its adaptability and resourcefulness in securing food.
Want to attract Gilded Hummingbirds to your yard? See our recommended feeders and seed types for the best results.
Gilded Hummingbird Behavior and Social Structure
The Gilded Hummingbird exhibits solitary behavior, common among hummingbirds, with a strong territorial instinct. Males, in particular, defend their feeding territories vigorously against intruders, using aerial displays and aggressive chases to maintain dominance over nectar sources. These territorial displays often involve rapid flights accompanied by vocalizations that deter potential competitors.
During the breeding season, the Gilded Hummingbird engages in elaborate courtship displays. Males perform aerial acrobatics, flying in U-shaped patterns to attract females. These courtship rituals highlight the male's vibrant plumage and agility, essential traits in mate selection.
In terms of daily activity, the Gilded Hummingbird remains active throughout daylight hours, with peaks in feeding activity occurring during cooler parts of the day, such as early morning and late afternoon. This species displays a remarkable ability to enter torpor, a state of reduced metabolic activity, during cold nights to conserve energy.
While primarily solitary, the Gilded Hummingbird may occasionally join mixed-species flocks outside the breeding season, particularly when foraging opportunities arise. These flocks provide increased protection against predators and allow individuals to exploit food sources more efficiently.
Gilded Hummingbird Nesting and Reproduction
The Gilded Hummingbird constructs small, cup-shaped nests typically placed on horizontal branches, often overhanging water. The female primarily undertakes the nest-building process, using plant fibers, spider silk, and lichen to create a sturdy yet flexible structure. These materials provide camouflaging properties, helping to conceal the nest from potential predators.
A typical clutch consists of two white eggs, which the female incubates for about 15-18 days. During this period, she remains solely responsible for maintaining nest temperature and protecting the eggs. Post-hatching, the female continues to care for the chicks, feeding them a diet of regurgitated nectar and insects.
Fledging occurs approximately 20-25 days after hatching, with chicks gaining independence shortly thereafter. The Gilded Hummingbird may produce up to two broods per year, depending on environmental conditions and resource availability. The female's role in rearing the young highlights the species' investment in offspring survival, a critical aspect of its reproductive strategy.
Gilded Hummingbird Sounds and Vocalizations
The Gilded Hummingbird's vocalizations are relatively simple compared to songbirds, consisting primarily of high-pitched, rapid 'chip' notes used in communication and territorial defense. These calls serve to alert others of the bird's presence and to delineate territory boundaries. During courtship, males may produce a series of rapid, metallic chips, enhancing their visual displays with auditory signals.
Alarm calls are more abrupt and sharp, serving as immediate warnings to other hummingbirds of potential threats. While the Gilded Hummingbird does not participate in a dawn chorus, its vocal activity increases during early morning and late afternoon, coinciding with feeding peaks.
The overall soundscape of the Gilded Hummingbird is subtle yet significant, providing insights into its behavioral interactions and environmental awareness. The bird's calls, though not melodious, play an essential role in its social dynamics and territorial maintenance.
Interesting Facts About the Gilded Hummingbird
- 1The Gilded Hummingbird's wings beat up to 80 times per second, enabling its remarkable hovering ability.
- 2This species can consume up to twice its body weight in nectar and insects daily, highlighting its high energy demands.
- 3Gilded Hummingbirds have a heart rate that can reach 1,260 beats per minute during flight, one of the fastest in the animal kingdom.
- 4Despite their small size, they can travel at speeds exceeding 50 km/h, showcasing their agility and speed.
- 5The Gilded Hummingbird's ability to enter torpor at night allows it to conserve energy and survive in cooler temperatures.
- 6Their keen eyesight helps them locate flowers and assess rival hummingbirds during territorial disputes.
- 7Males often use their metallic plumage in sunlight to communicate dominance and attract potential mates.
Gilded Hummingbird Conservation Status
The Gilded Hummingbird currently holds a conservation status of Least Concern according to the IUCN Red List. Its population is considered stable, with no immediate threats causing significant declines. However, habitat destruction due to deforestation and land conversion for agriculture poses potential risks to its preferred environments. Conservation efforts focus on preserving critical habitats such as the Atlantic Forest and other biodiverse regions in South America. These efforts include establishing protected areas and promoting sustainable land-use practices that benefit both wildlife and local communities. Historically, the Gilded Hummingbird has maintained a relatively stable population, thanks in part to its adaptability to a range of habitats. Continued monitoring and habitat protection remain essential to ensuring its long-term survival, especially as environmental pressures intensify in its native regions.
Attracting Gilded Hummingbirds to Your Feeder
The Gilded Hummingbird is a regular visitor to backyard bird feeders across its range. At the Eye On The Fly feeding station, we observe Gilded Hummingbirds regularly and capture footage with our feeder cameras.
