Shining-green Hummingbird
Chrysuronia goudoti
Order: Apodiformes / Family: Trochilidae
About the Shining-green Hummingbird
The Shining-green Hummingbird (Chrysuronia goudoti) captivates bird enthusiasts with its radiant green plumage and agile flight. This species is a member of the Trochilidae family, which includes the diverse and specialized group of hummingbirds. Predominantly found in the tropical and subtropical regions of South America, particularly in Colombia and Venezuela, the Shining-green Hummingbird thrives in a variety of habitats, ranging from lowland forests to mountainous regions. The bird's ecological role is significant, as it serves as a pollinator for many native flowering plants. This mutualistic relationship plays a crucial part in maintaining the biodiversity of its ecosystem. During the breeding season, which typically aligns with the rainy months, the Shining-green Hummingbird exhibits increased territoriality as it competes for resources and mates. Its presence is often marked by frenetic movements and the distinctive whirring sound produced by its rapid wing beats. Outside of the breeding season, this hummingbird may engage in limited altitudinal migrations, moving from higher elevations to more temperate lowland areas. Such movements are often dictated by the availability of food resources, primarily nectar. In terms of significance, the Shining-green Hummingbird acts as an indicator species for the health of tropical ecosystems. Its abundance and behavior can reflect changes in habitat quality and availability of floral resources. Conservation efforts for the Shining-green Hummingbird focus on preserving its natural habitats and ensuring the continuity of its critical role in pollination. As deforestation and habitat fragmentation pose ongoing threats, maintaining contiguous tracts of forest is vital for the species' survival. The bird's adaptability to different environments, including gardens and urban areas, provides a glimmer of hope for its resilience in the face of ecological changes. The Shining-green Hummingbird's vibrant presence and ecological importance make it a key species for both ornithologists and conservationists.
The Shining-green Hummingbird belongs to the family Trochilidae, within the order Apodiformes. These birds typically live typically 3-5 years; some may live up to 7 years in the wild..
How to Identify a Shining-green Hummingbird
The Shining-green Hummingbird is distinguished by its iridescent green plumage, which covers most of its body. Adult males exhibit a particularly vibrant sheen on their heads and throats, while the females tend to have slightly duller coloration with a more pronounced white underbelly. Juvenile birds resemble adult females but may have a more mottled appearance. The bird's small stature, typically measuring around 10-12 cm in length, is complemented by its slender, slightly curved bill, which is adapted for nectar feeding. While perched, the Shining-green Hummingbird often holds its body at a slight angle, distinctively flicking its tail. In flight, its rapid wingbeats create a blur, making its silhouette challenging to discern from other small hummingbirds. However, its characteristic coloration and the frequency of its wing beats can help experienced birders identify it in the field. Despite its unique features, it can sometimes be confused with other green hummingbird species, such as the Rufous-tailed Hummingbird. Notably, the Shining-green lacks the rufous tail and displays a more uniform coloration.
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Shining-green Hummingbird Habitat and Range
Preferred Habitat
The Shining-green Hummingbird inhabits a variety of environments, predominantly favoring moist tropical and subtropical forests. It is frequently observed at forest edges, where flowering plants are abundant. In Colombia, the bird is found from sea level up to elevations of about 2,500 meters. In areas like the Sierra Nevada de Santa Marta, they can be seen in cloud forests and montane regions. Seasonal habitat shifts occur based on food availability, with some populations moving to lower elevations during colder months. Although primarily a forest dweller, the Shining-green Hummingbird also adapts well to human-altered landscapes, including gardens and parks, where ornamental flowers provide ample nectar sources. Its presence in urban areas highlights its adaptability, though intact natural habitats remain crucial for its overall population health.
Geographic Range
The Shining-green Hummingbird's range predominantly covers northern South America, with the highest densities occurring in Colombia and Venezuela. It is a non-migratory species, residing year-round in these regions. However, some local movements may occur in response to floral resource availability. In Colombia, it inhabits the Andes and adjacent lowlands, while in Venezuela, it is found in the coastal mountain ranges and surrounding areas. Although not a long-distance migrant, altitudinal shifts are common, allowing the bird to exploit seasonal blooms at various elevations. Population density hotspots include the Andean foothills and the Magdalena Valley, where diverse plant life supports a stable food supply. Despite its relatively confined range, the Shining-green Hummingbird has adapted to various ecosystems, contributing to its resilience.
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What Does the Shining-green Hummingbird Eat?
The Shining-green Hummingbird primarily feeds on nectar, favoring flowers with high sugar content. This dietary preference drives its foraging behavior, leading the bird to visit a wide array of flowering plants, including those in the genera Inga and Erythrina. It employs a hovering technique to extract nectar, using its specialized tongue to lap up the sugary liquid. Besides nectar, the hummingbird supplements its diet with small insects and spiders, which provide essential proteins. Seasonal variations in diet occur, with a greater reliance on insects during breeding periods when protein demands are heightened. The Shining-green Hummingbird follows a diurnal feeding schedule, with peak activity in the early morning and late afternoon. Its foraging strategy often involves trap-lining, where the bird visits a circuit of known floral resources throughout the day.
Want to attract Shining-green Hummingbirds to your yard? See our recommended feeders and seed types for the best results.
Shining-green Hummingbird Behavior and Social Structure
The Shining-green Hummingbird exhibits a solitary and territorial nature, particularly during the breeding season. Males vigorously defend feeding territories from rivals, engaging in aerial displays to assert dominance. These displays involve rapid dives and mechanical sounds produced by wing and tail feathers. In courtship, males perform elaborate dances to attract females, showcasing their plumage and aerial prowess. The species does not form flocks, preferring solitary foraging. When confronted by predators, such as small raptors or large insects, the Shining-green Hummingbird relies on its agility to evade capture. Despite its solitary tendencies, it may be observed sharing feeding areas with other hummingbirds, provided resources are abundant. Daily activity peaks at dawn and dusk, with periods of rest during midday heat.
Shining-green Hummingbird Nesting and Reproduction
The Shining-green Hummingbird constructs a small, cup-shaped nest composed of plant fibers, moss, and spider silk, which provides flexibility and strength. These nests are typically positioned on thin branches, often well-concealed among foliage. Females are solely responsible for building the nest, which can take several days to complete. The typical clutch consists of two white eggs, which the female incubates for approximately 15-18 days. During this period, she remains highly vigilant, rarely leaving the nest. After hatching, the young are fed regurgitated nectar and insects. Fledging occurs about 20-25 days post-hatching, with the female continuing to provide care until the juveniles are independent. The Shining-green Hummingbird may raise two broods per year, depending on environmental conditions and resource availability.
Shining-green Hummingbird Sounds and Vocalizations
The Shining-green Hummingbird's vocalizations comprise a series of high-pitched, metallic chips. These sounds, often described as sharp and staccato, serve various functions, including territory defense and communication between mates. Beyond vocal sounds, the rapid wingbeats produce a characteristic humming noise, contributing to the bird's name. During aggressive interactions, it emits a distinctive, buzzy alarm call that warns of intruders. At dawn, the bird may participate in a subdued chorus, marking territory and signaling readiness to forage. Its vocal repertoire, though limited compared to songbirds, is well-adapted to its ecological niche, facilitating interaction within its environment.
Interesting Facts About the Shining-green Hummingbird
- 1The Shining-green Hummingbird can flap its wings up to 70 times per second, enabling its remarkable agility.
- 2During courtship, males perform a 'pendulum display,' a rapid side-to-side flight that showcases their iridescent plumage.
- 3Despite their small size, Shining-green Hummingbirds can travel distances up to 500 km during altitudinal migrations.
- 4Their heart rate can exceed 1,200 beats per minute during intense activity, one of the highest in the animal kingdom.
- 5Shining-green Hummingbirds help pollinate over 150 plant species, making them critical components of their ecosystems.
- 6The species exhibits sexual dimorphism, with males sporting more iridescent plumage than females.
- 7They can consume up to twice their body weight in nectar each day to fuel their energetic lifestyle.
Shining-green Hummingbird Conservation Status
The IUCN classifies the Shining-green Hummingbird as Least Concern, reflecting its stable population and wide distribution within its range. However, ongoing habitat destruction, particularly deforestation and land conversion for agriculture, poses significant threats. Conservation efforts focus on habitat preservation, with initiatives to protect forested areas in Colombia and Venezuela. Historical population data indicate a degree of resilience, aided by the bird's adaptability to modified environments. Despite these efforts, continuous monitoring is essential to ensure that population levels remain stable and threats do not escalate.
Attracting Shining-green Hummingbirds to Your Feeder
The Shining-green Hummingbird is a regular visitor to backyard bird feeders across its range. At the Eye On The Fly feeding station, we observe Shining-green Hummingbirds regularly and capture footage with our feeder cameras.
