Green-throated Mango
Anthracothorax viridigula
Order: Apodiformes / Family: Trochilidae
About the Green-throated Mango
The Green-throated Mango, scientifically known as Anthracothorax viridigula, is a fascinating member of the hummingbird family, Trochilidae. This species finds its niche in the tropical lowland forests and coastal mangroves of northern South America, with its range extending through countries such as Venezuela, French Guiana, Suriname, Guyana, and parts of northern Brazil. Occasionally, sightings have been recorded in Trinidad and Tobago, suggesting some degree of dispersal or vagrancy to nearby islands. The bird's iridescent plumage and quick movements make it a captivating subject for birdwatchers and researchers alike.
In terms of ecological significance, the Green-throated Mango plays a crucial role in pollination. Its diet primarily consists of nectar from a wide variety of flowering plants, which it accesses with its specialized, slightly curved bill. This feeding behavior aids in the cross-pollination of many native plant species, contributing to the health and diversity of its ecosystem.
The species adapts well to different lowland habitats, favoring areas with abundant flowering plants. It can often be found in gardens and plantations, where human-cultivated flora provides ample feeding opportunities. During wetter seasons, the Green-throated Mango may shift its range slightly to take advantage of peak flowering periods, showcasing its adaptability. By participating in the pollination process and serving as prey for larger birds and mammals, the Green-throated Mango occupies a key position within its ecological community.
The Green-throated Mango belongs to the family Trochilidae, within the order Apodiformes. These birds typically live average 4-6 years, with a maximum recorded of 9 years..
How to Identify a Green-throated Mango
The adult Green-throated Mango is unmistakable with its vivid iridescent green throat that shimmers in sunlight, bordered by a contrasting blackish upper breast. Its upper parts are a deep bronze-green, while the lower belly features a striking bluish-black central stripe flanked by white. The tail feathers are a mix of bronze and blue, often tipped with white, adding to its colorful display during flight.
Juveniles present a more subdued plumage, lacking the vibrant throat coloration and displaying more muted grayish underparts. Males and females are similar, but females may have slightly less intense coloration and a narrower central stripe on the belly.
In flight, the Green-throated Mango exhibits a unique silhouette with its long, slightly decurved bill, and its medium-sized body. Its rapid, darting flight is typical of hummingbirds, making it a challenge to observe in detail while airborne. When perched, it often sits upright on a branch, allowing a clear view of its dazzling throat and neat posture.
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Green-throated Mango Habitat and Range
Preferred Habitat
The Green-throated Mango thrives in a variety of tropical habitats, though it shows a strong preference for lowland regions. It is commonly found in coastal mangroves, where the dense vegetation provides both feeding and nesting opportunities. This species also inhabits tropical rainforests, forest edges, and gardens where flowering plants are abundant.
In terms of elevation, the Green-throated Mango is predominantly a lowland species, rarely seen above 1,000 meters. However, its adaptability allows it to occupy both rural and semi-urban environments, often frequenting plantations and gardens in search of nectar.
Seasonally, the Green-throated Mango may adjust its habitat preferences slightly, moving to areas where flowering is most prolific. This behavior ensures consistent access to food resources, highlighting the bird's flexible nature.
Geographic Range
The Green-throated Mango's range primarily envelops the northern part of South America. It is a resident breeder in Venezuela, Guyana, Suriname, French Guiana, and northern Brazil. The species is also present in parts of the Amazon Basin, though it is more commonly associated with the coastal and northern inland regions.
During the non-breeding season, the Green-throated Mango remains relatively sedentary, with no significant long-distance migration observed. However, movements within its range are not uncommon, particularly in response to changes in food availability or habitat conditions.
While not densely populated across its entire range, the Green-throated Mango is locally common in areas with abundant flowering plants. This distribution pattern means that while some regions may host numerous individuals, others may report only occasional sightings. The bird's presence in Trinidad and Tobago as a rare vagrant indicates some potential for overwater dispersal, presumably aided by strong winds or storms.
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What Does the Green-throated Mango Eat?
The Green-throated Mango primarily feeds on nectar, relying on its specialized bill to extract it from a wide array of flowering plants. Its feeding schedule aligns with the availability of blooms, making it an early riser to capitalize on the freshest nectar supplies.
Though nectar is its mainstay, the Green-throated Mango also supplements its diet with small insects and spiders, which provide essential protein. This insectivorous behavior involves aerial hawking or gleaning from foliage, showcasing its agility and precise flight control.
Seasonal changes in diet largely depend on the availability of flowering plants. During peak blooming periods, nectar consumption dominates, while in off-peak times, the bird may increase its intake of insects. The Green-throated Mango's feeding technique involves hovering briefly at each flower, a behavior that not only aids in feeding but also assists in pollination, benefiting the surrounding plant community.
Want to attract Green-throated Mangos to your yard? See our recommended feeders and seed types for the best results.
Green-throated Mango Behavior and Social Structure
The Green-throated Mango exhibits a solitary lifestyle, though individuals may be seen in loose aggregations when food sources are abundant. Territorial behavior is prominent, particularly during the breeding season, when males aggressively defend feeding territories against rivals.
Courtship displays involve aerial acrobatics, with males performing rapid dives and intricate flight patterns to attract females. These displays highlight the bird's agility and vibrant plumage.
The Green-throated Mango is generally active during daylight hours, with peak activity occurring in the early morning and late afternoon when nectar availability is highest. In the presence of predators, such as larger birds, the Green-throated Mango employs evasive flight tactics, relying on its speed and agility to escape threats.
While primarily solitary, the Green-throated Mango may join mixed-species flocks during migration or in areas with abundant resources, illustrating a degree of social flexibility.
Green-throated Mango Nesting and Reproduction
The Green-throated Mango builds a small, cup-shaped nest crafted from plant fibers, spider silk, and lichen, which provides excellent camouflage. These nests are typically situated on a horizontal branch or in the fork of a tree, often several meters above the ground to reduce predation risk.
A typical clutch consists of two white eggs. The female solely incubates the eggs for about 15 to 18 days. After hatching, the chicks remain in the nest for approximately 20 to 25 days before fledging.
Both parents are involved in feeding the fledglings, although the female takes on the majority of the brooding and feeding responsibilities. In favorable conditions, the Green-throated Mango may raise two broods per year, especially in regions with consistent food availability.
Green-throated Mango Sounds and Vocalizations
The Green-throated Mango's vocalizations are relatively soft and often go unnoticed compared to its striking appearance. Its primary song consists of a series of high-pitched, rapid chips and trills, delivered in short bursts. These sounds are most frequently heard during the breeding season, serving both territorial and mate-attraction purposes.
Call notes are sharp and metallic, often used in aggressive interactions or during flight. Alarm calls are louder and more insistent, resembling a staccato series of chirps designed to alert conspecifics to potential danger.
During the dawn chorus, the Green-throated Mango contributes its subtle yet distinct voice, blending into the symphony of tropical bird calls.
Interesting Facts About the Green-throated Mango
- 1The Green-throated Mango is named for its dazzling green throat, a trait that varies in intensity depending on light conditions.
- 2This hummingbird species can hover in place using rapid wing beats that can reach up to 80 times per second.
- 3Despite its small size, the Green-throated Mango plays a vital role in pollinating numerous plant species in its habitat.
- 4The species can travel up to 50 kilometers in a single day in search of food, showcasing its endurance.
- 5Green-throated Mangos have been observed using spider silk to bind their nests, giving them flexibility and strength.
- 6Unlike many birds, the Green-throated Mango is more active at dawn and dusk, aligning its schedule with nectar availability.
- 7The bird's iridescent plumage results from microscopic platelets in the feathers that refract and reflect light.
Green-throated Mango Conservation Status
The Green-throated Mango is currently listed as Least Concern by the IUCN Red List, with a stable population trend. The primary threats to this species include habitat destruction due to deforestation and land conversion for agriculture. Despite these threats, the species' adaptability to altered habitats has helped mitigate some negative impacts. Conservation efforts focus on preserving critical habitats, particularly mangroves and lowland forests. These areas are essential not only for the Green-throated Mango but also for countless other species. Historical population changes are not well-documented, but the bird's current status reflects resilience and adaptability in changing environments.
Attracting Green-throated Mangos to Your Feeder
The Green-throated Mango is a regular visitor to backyard bird feeders across its range. At the Eye On The Fly feeding station, we observe Green-throated Mangos regularly and capture footage with our feeder cameras.
