Ruby-topaz Hummingbird
Chrysolampis mosquitus
Order: Apodiformes / Family: Trochilidae
Wikimedia Commons
About the Ruby-topaz Hummingbird
The Ruby-topaz Hummingbird, scientifically known as Chrysolampis mosquitus, stands out as a spectacular member of the family Trochilidae. This small yet striking bird is renowned for its iridescent plumage, which can appear as a vivid kaleidoscope of ruby and topaz hues, depending on the angle of light. Found primarily in the northern parts of South America, this species inhabits a range of environments from open savannas to tropical lowlands. Notably, it thrives in regions such as Venezuela, Trinidad, and the Guianas, where it can often be observed flashing through gardens and forest edges. As a vital pollinator, the Ruby-topaz Hummingbird contributes significantly to its ecosystem. By feeding on nectar, it facilitates the pollination of various flowering plants, thus maintaining the biodiversity of its habitat. Unlike more temperate hummingbird species, the Ruby-topaz does not migrate long distances but may undertake altitudinal movements in response to seasonal floral availability. During the wet season, when flowers abound, it can be seen darting energetically from bloom to bloom, while in drier months, it might shift to areas with a reliable water source. These seasonal movements are crucial for the bird's survival and the ongoing pollination of plant species that rely on its visits. The Ruby-topaz Hummingbird's ecological role extends beyond pollination. Its presence in a given area can indicate a healthy ecosystem, as it requires abundant nectar sources and suitable nesting sites. The bird's vibrant colors and dynamic behavior also make it an essential part of the avian biodiversity in its habitat. Observers often note its aggressive demeanor, especially males, who defend territories passionately from rivals and other nectar-feeding species.
The Ruby-topaz Hummingbird belongs to the family Trochilidae, within the order Apodiformes. These birds typically live 5-8 years with a maximum recorded of 10 years.
How to Identify a Ruby-topaz Hummingbird
The Ruby-topaz Hummingbird is distinguished by its brilliant metallic plumage. Adult males exhibit an intense ruby-red throat and crown, which can appear fiery orange or golden in certain lights, while their back and tail are a contrasting dark green. Females and juveniles, in contrast, display a more subdued color palette, with a green back and a whitish underbelly. The wings of both sexes are relatively short and dark, typical of hummingbirds, aiding in their agile flight. When perched, the male can be identified by his shimmering gorget and topaz-like crown, which seem to glow in direct sunlight. Females and young birds lack this iridescence, making them harder to identify at a distance. However, their smaller size and rapid wing beats are helpful cues. The Ruby-topaz Hummingbird can be confused with the similarly sized and colored Tufted Coquette, but the latter has a distinct tuft on its head and a more intricate tail pattern. In flight, the Ruby-topaz presents a compact silhouette with a slightly curved bill, aiding in its rapid maneuvering among flowers. On a perch, it often sits bolt upright, showcasing its colorful throat prominently, a posture that reflects its assertive nature.
Having trouble telling birds apart? Upload a photo to our bird identification tool for an instant species match.
Ruby-topaz Hummingbird Habitat and Range
Preferred Habitat
The Ruby-topaz Hummingbird inhabits a variety of tropical and subtropical environments. Its preferred habitats include open savannas, gallery forests, and cultivated areas such as gardens and plantations. In regions like the coastal lowlands of Guyana and Trinidad, it thrives in areas with abundant flowering plants. It can be found from sea level up to elevations of around 1,200 meters, though it is more commonly observed in lower, more accessible regions. During the dry season, the bird may frequent riparian zones and areas with artificial water bodies, drawn to the concentrated floral resources. While less common in dense forests, it occasionally ventures into forest edges and clearings. Unlike some hummingbirds, the Ruby-topaz is well adapted to human-altered environments, often spotted in urban gardens where ornamental flowers provide nectar year-round.
Geographic Range
The Ruby-topaz Hummingbird's range extends across northern South America, with established populations in Venezuela, Guyana, Suriname, French Guiana, and Trinidad. In these areas, it is a resident species, occupying its range throughout the year without long-distance migrations. However, it may exhibit local movements, shifting to areas with abundant floral resources during different seasons. In Venezuela, it is particularly common in the Orinoco River basin, while in Trinidad, it can be seen in both the Northern Range and the lowland forests. The bird's presence is less frequent further south, with occasional sightings in northern Brazil, though these are not part of a core population. Despite its relatively limited range, the Ruby-topaz Hummingbird is considered locally common in suitable habitats, often outnumbering other hummingbird species due to its adaptability and aggressive territorial behavior.
Want to know which birds visit your area? Browse our backyard birds by location guides for region-specific species lists.
What Does the Ruby-topaz Hummingbird Eat?
The Ruby-topaz Hummingbird primarily feeds on nectar, favoring flowers with high sugar content. It is especially attracted to brightly colored blooms, such as those of the Heliconia and Hibiscus plants. In addition to nectar, it consumes small insects and spiders, which provide essential proteins. These are often captured mid-air or plucked from vegetation. During the wet season, when flowers are plentiful, the bird's diet is predominantly nectar-based, allowing it to fuel its high-energy lifestyle. However, in the drier months, it may increase its intake of insects to compensate for the reduced availability of floral resources. The Ruby-topaz forages throughout the day, with peak activity during the early morning and late afternoon. It employs a hovering technique to access nectar, using its long, specialized tongue to extract the sweet liquid. Despite its small size, the bird's feeding territories can be extensive, with males often defending key nectar sources aggressively.
Want to attract Ruby-topaz Hummingbirds to your yard? See our recommended feeders and seed types for the best results.
Ruby-topaz Hummingbird Behavior and Social Structure
The Ruby-topaz Hummingbird exhibits a solitary lifestyle, with individuals interacting primarily during the breeding season or when defending feeding territories. Males are highly territorial, often engaging in aerial displays to ward off rivals and protect valuable nectar sources. These displays can include rapid chases, high-speed dives, and vocalizations. Courtship involves elaborate aerial maneuvers, with the male showcasing his iridescent plumage to attract a mate. Upon finding a suitable partner, the pair engages in brief courtship rituals before mating. Outside of breeding, the Ruby-topaz does not typically form flocks. Its daily routine involves frequent foraging trips interspersed with periods of rest, often in shaded perches where it can avoid the midday heat. In response to predators, which can include larger birds and snakes, the Ruby-topaz relies on its agility and speed to evade capture. It may also employ alarm calls to alert neighboring birds of potential threats.
Ruby-topaz Hummingbird Nesting and Reproduction
The nesting habits of the Ruby-topaz Hummingbird involve constructing small, cup-shaped nests using plant fibers, spider silk, and lichen. These nests are typically situated on thin branches or in the forks of trees and shrubs, often well camouflaged to avoid detection by predators. The female solely constructs the nest and undertakes the responsibility for incubating the eggs and raising the young. A typical clutch consists of two white eggs, which the female incubates for approximately 14 to 16 days. After hatching, the chicks remain in the nest for another 20 to 24 days, during which the female continues to feed them with a diet rich in regurgitated nectar and insects. The Ruby-topaz Hummingbird usually raises two broods per year, depending on the availability of resources and environmental conditions.
Ruby-topaz Hummingbird Sounds and Vocalizations
The Ruby-topaz Hummingbird produces a series of sharp, high-pitched notes that serve as territorial calls and communication signals. These calls, often described as a rapid 'tzeet-tzeet-tzeet,' can be heard throughout its habitat, especially during the early morning when birds are most active. In addition to these calls, the male may emit a softer, more musical trill during courtship displays, a sound that resonates through the air as he performs aerial maneuvers. Alarm calls are sharper and more urgent, alerting other birds to the presence of predators or intruders. The Ruby-topaz Hummingbird does not participate in a structured dawn chorus but becomes more vocal during periods of heightened territorial activity.
Interesting Facts About the Ruby-topaz Hummingbird
- 1The Ruby-topaz Hummingbird can beat its wings up to 80 times per second, a rapid pace that allows it to hover with precision.
- 2Despite their small size, these hummingbirds have been known to travel up to 20 kilometers in search of food in a single day.
- 3The iridescent colors of their plumage result from microscopic platelets in their feathers that refract light, not pigments.
- 4Ruby-topaz Hummingbirds have a heart rate that can exceed 1,200 beats per minute during intense activity, one of the highest in the animal kingdom.
- 5In addition to floral nectar, these birds consume small insects, providing a critical protein source essential for their diet.
- 6Their nests are often constructed using spider silk, which provides elasticity to accommodate the growing chicks.
- 7Despite their aggressive nature, Ruby-topaz Hummingbirds can be observed sharing feeding territories during abundant nectar flow seasons.
Ruby-topaz Hummingbird Conservation Status
The Ruby-topaz Hummingbird is currently listed as Least Concern by the IUCN, with stable population trends. Despite facing habitat loss due to deforestation and urbanization, it remains widespread and adaptable. Primary threats include habitat degradation and competition for resources with other nectar-feeding species. Conservation efforts focus on preserving tropical habitats and promoting biodiversity through sustainable land management practices. Historically, the species has maintained a robust population owing to its ability to adapt to human-altered landscapes, such as gardens and parks where exotic flowers provide year-round nectar sources.
Attracting Ruby-topaz Hummingbirds to Your Feeder
The Ruby-topaz Hummingbird is a regular visitor to backyard bird feeders across its range. At the Eye On The Fly feeding station, we observe Ruby-topaz Hummingbirds regularly and capture footage with our feeder cameras.
