Chestnut-winged Starling

Onychognathus fulgidus

Order: Passeriformes / Family: Sturnidae

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black brown songbird tropical forest common widespread year-round medium urban

About the Chestnut-winged Starling

The Chestnut-winged Starling (Onychognathus fulgidus) is a striking member of the Sturnidae family, known for its vivid plumage and dynamic social behavior. Found predominantly in the lush tropical forests of West and Central Africa, this bird plays a significant ecological role as both a seed disperser and insect predator. Its presence is a marker of healthy, intact ecosystems, especially in regions where biodiversity is rich yet vulnerable. The Chestnut-winged Starling thrives in countries like Nigeria, Cameroon, and the Democratic Republic of the Congo, where its adaptation to forest life is evident in its foraging and nesting habits. Seasonal behavioral patterns are notable in this species. During the breeding season, which occurs in the wetter months from March to July, the starling becomes highly territorial, establishing nesting sites within the dense forest canopy. Outside of this period, the bird exhibits more nomadic tendencies, moving in flocks that can number in the dozens, particularly when searching for food or new roosting sites. This seasonal shift in behavior underscores its adaptability and the necessity of preserving its natural habitat. The Chestnut-winged Starling also contributes to its ecosystem by controlling insect populations, thus playing a pest management role. Furthermore, its diet includes a variety of fruits, which aids in the dispersal of seeds throughout its range. This symbiotic relationship not only benefits the starling but also supports plant diversity and forest regeneration. The bird’s adaptability to both primary and secondary forests, including degraded areas, highlights its resilience but also signals the importance of habitat conservation efforts to ensure this species continues to thrive. The Chestnut-winged Starling remains a vital component of the avian community within its habitat, providing insights into the health of tropical ecosystems and the impacts of environmental changes.

The Chestnut-winged Starling belongs to the family Sturnidae, within the order Passeriformes. These birds typically live typically around 8 years, with some living up to 10 years..

How to Identify a Chestnut-winged Starling

The Chestnut-winged Starling is easily recognizable by its glossy black plumage contrasted with striking chestnut-colored wings. Adult males and females share similar coloration, with subtle differences; males tend to have slightly more iridescent sheen, whereas females may appear a bit duller. Juvenile starlings can be distinguished by their less vibrant plumage and a more brownish tone, lacking the full glossy finish of the adults. In flight, the Chestnut-winged Starling displays a distinctive silhouette with broad wings and a slightly forked tail. The chestnut wings are prominently visible during flight, making identification easier against the backdrop of the forest canopy. When perched, the starling exhibits a confident posture, often observed on elevated branches or other vantage points. This bird can sometimes be confused with the similarly colored Splendid Starling, but the latter lacks the chestnut wing pattern and typically displays more blue and green iridescence throughout its body. Observing these starlings in their natural habitat requires attention to these subtle differences in hue and behavior, which can guide accurate identification.

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Chestnut-winged Starling Habitat and Range

Preferred Habitat

The Chestnut-winged Starling primarily resides in the tropical rainforests of West and Central Africa. It shows a preference for primary and secondary forests, thriving at elevations ranging from sea level up to 1,500 meters. While it is predominantly a forest dweller, the starling can adapt to savannah and woodland edges, particularly where food sources are abundant. During the breeding season, the bird is more likely to be found in dense forest areas where it can secure nesting sites and ample food supply. In contrast, non-breeding periods may see the starling venture into more open or degraded areas in search of food. Although mainly rural, the Chestnut-winged Starling occasionally appears in urban settings, especially in cities adjacent to large forest tracts. In these urban fringes, it exploits available resources such as fruiting trees and insects, demonstrating its adaptability to different environments.

Geographic Range

The Chestnut-winged Starling's range spans across West and Central Africa, with populations concentrated in countries like Nigeria, Cameroon, and the Democratic Republic of the Congo. Its breeding range is largely confined to the tropical rainforests where environmental conditions are conducive to raising young. During the non-breeding season, the starling may extend its range slightly, though it remains largely within the same geographic bounds due to the consistent availability of food and suitable habitat. Unlike many migratory bird species, the Chestnut-winged Starling does not engage in long-distance migration, instead opting for more localized movements tied to food availability and breeding requirements. Population density hotspots include forest reserves and national parks, where conservation efforts help maintain habitat integrity. These areas support stable populations, although habitat fragmentation and deforestation pose challenges to their long-term viability.

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What Does the Chestnut-winged Starling Eat?

The Chestnut-winged Starling's diet is diverse, consisting primarily of fruits and insects. The bird forages both in the canopy and on the ground, displaying a keen ability to adapt its feeding techniques to available resources. During the wet season, when fruits are plentiful, the starling focuses on consuming a wide variety of berries and drupes, playing a critical role in seed dispersal. In the dry season, the diet shifts more towards insects, including beetles and caterpillars, which are abundant and provide essential protein. The bird employs a mixed feeding strategy, often gleaning insects from foliage or catching them in flight with impressive agility. Prey size varies but typically includes small to medium insects that are easily managed. Feeding occurs throughout the day, with peaks in activity during the early morning and late afternoon when temperatures are cooler and prey activity is higher.

Chestnut-winged Starling Behavior and Social Structure

The Chestnut-winged Starling exhibits complex social behavior, often forming flocks outside of the breeding season. These flocks provide benefits such as increased vigilance against predators and improved foraging efficiency. During the breeding season, however, the starling becomes territorial, with pairs establishing and defending specific areas within the forest. Courtship displays involve vocalizations and aerial maneuvers, designed to attract mates and deter rivals. The bird's daily activity pattern includes periods of intense foraging interspersed with rest and social interactions. In response to predators, the starling relies on a combination of alarm calls and evasive flight. It is particularly wary of raptors and snakes, which pose significant threats to both adults and their offspring. The Chestnut-winged Starling is diurnal, with peak activity during the cooler hours of the day, ensuring energy efficiency while minimizing exposure to midday heat.

Chestnut-winged Starling Nesting and Reproduction

The Chestnut-winged Starling constructs cup-shaped nests predominantly from twigs, leaves, and other plant materials. These nests are typically located in tree cavities or densely foliated areas, providing protection from predators and the elements. Both male and female participate in nest building, which takes place in the early stages of the breeding season. The clutch size ranges from two to four eggs, with an incubation period of approximately 14-16 days. During this time, the female takes on the primary role of incubating the eggs, while the male assists by providing food. Once hatched, the chicks remain in the nest for about 20-22 days before fledging. Parental care continues post-fledging, with both parents involved in feeding the young and teaching them essential survival skills. The Chestnut-winged Starling typically raises one to two broods per year, depending on environmental conditions and food availability.

Chestnut-winged Starling Sounds and Vocalizations

The Chestnut-winged Starling is known for its melodic song, characterized by a series of clear, ringing notes that vary in pitch and rhythm. This primary song serves both to establish territory and attract mates during the breeding season. Additionally, the starling produces a variety of call notes, including harsh, grating sounds used as warnings or in response to threats. Alarm calls are sharp and piercing, designed to alert fellow flock members of potential danger. During dawn and dusk, the starling often participates in a chorus, where multiple individuals sing in unison, creating a complex and harmonious soundscape. The bird's vocalizations are rhythmic, with a quality reminiscent of a flute, albeit more metallic, and serve as an integral part of its communication and social structure.

Interesting Facts About the Chestnut-winged Starling

1The Chestnut-winged Starling can be seen in flocks of up to 50 individuals during non-breeding seasons, showcasing its social nature.
2Despite its striking appearance, the Chestnut-winged Starling's glossy plumage provides excellent camouflage in the dappled light of the rainforest.
3This starling species has a lifespan of up to 15 years in the wild, assuming it avoids predators and environmental hazards.
4The Chestnut-winged Starling has a varied diet but shows a particular fondness for figs, which are abundant in its forest habitat.
5Unlike many birds, the Chestnut-winged Starling is known to use its strong bill to pry open tough fruit skins, demonstrating its adaptability.
6The starling plays a crucial role in controlling insect populations, helping to maintain ecological balance in its habitat.
7Its ability to thrive in both primary and secondary forests makes the Chestnut-winged Starling a resilient species amidst environmental changes.

Chestnut-winged Starling Conservation Status

The Chestnut-winged Starling is currently listed as Least Concern by the IUCN, with a stable population trend. However, primary threats to its habitat include deforestation and habitat fragmentation due to agricultural expansion and logging. Conservation efforts focus on protecting key habitats within national parks and reserves, which provide safe havens for the species. Historical population fluctuations have been linked to changes in land use and environmental policies in the regions it inhabits. Continued monitoring and habitat protection are essential to ensure the long-term survival of the species, as ongoing destruction of tropical forests could pose significant risks in the future.