Collared Myna
Acridotheres albocinctus
Order: Passeriformes / Family: Sturnidae
About the Collared Myna
The Collared Myna, Acridotheres albocinctus, is a striking member of the Sturnidae family, easily recognized by its bold black plumage contrasted with a prominent white collar. Endemic to parts of Southeast Asia, this bird primarily inhabits regions of Myanmar, northern Thailand, and parts of Bhutan. Its adaptability allows it to thrive in a variety of environments, from urban areas to rural landscapes. This myna plays a significant ecological role by controlling insect populations and dispersing seeds, thus contributing to the health of its ecosystem. The Collared Myna is a highly social bird, often seen in small flocks, engaging in complex social behaviors. These birds are particularly active at dawn and dusk when they forage for food. During the breeding season, which generally occurs from April to June, they become more territorial. Outside the breeding season, the Collared Myna roams more freely, often joining mixed-species flocks. In terms of ecological interactions, the Collared Myna is both a predator and prey. It feeds on insects, fruits, and small invertebrates, helping to maintain a balance in the local food web. Predators, such as birds of prey and snakes, occasionally target it. Despite these pressures, the Collared Myna's population remains stable, partly due to its adaptability to human-modified environments.
The Collared Myna belongs to the family Sturnidae, within the order Passeriformes. These birds typically live average 8 years, with a maximum recorded of 12 years..
How to Identify a Collared Myna
The adult Collared Myna exhibits a sleek, glossy black plumage with a striking white collar around its neck, distinguishing it from other mynas. Its yellow iris and robust yellow bill further accentuate its appearance. The legs are also yellow, contributing to its bold look. Juveniles differ slightly, displaying a duller plumage and less pronounced white collar. Males and females are similar in appearance, though males may appear slightly larger. In flight, the myna's broad wings and short tail create a distinctive silhouette. When perched, its posture is upright, often with an alert, inquisitive demeanor. Similar species, such as the Common Myna, lack the distinctive white collar, aiding in differentiation. Observers in the field can identify the Collared Myna by its unique vocalizations, which include a variety of whistles, clicks, and squawks.
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Collared Myna Habitat and Range
Preferred Habitat
The Collared Myna thrives in diverse habitats, including urban areas, agricultural fields, and open woodlands. It favors elevations ranging from lowlands up to 2,000 meters, particularly in hilly regions with scattered trees and shrubs. This bird is commonly found in rural landscapes where it exploits agricultural activities. During the breeding season, it may prefer slightly more secluded areas with ample nesting sites. In urban settings, the Collared Myna often inhabits parks and gardens, adapting well to human presence. Seasonal shifts in habitat preference are minimal, as it generally remains within its established range year-round.
Geographic Range
The Collared Myna's range includes parts of Southeast Asia, specifically Myanmar, northern Thailand, and Bhutan. It resides primarily in the foothills and lower mountain regions, avoiding the dense forests of higher altitudes. The bird is non-migratory, maintaining a consistent presence in its range throughout the year. Population density tends to be higher in areas with abundant food resources and suitable nesting sites, such as agricultural zones and urban centers. The lack of significant migratory behavior means that the Collared Myna is a constant presence in its habitat, with no distinct breeding or wintering grounds.
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What Does the Collared Myna Eat?
The Collared Myna has an omnivorous diet, feeding on insects, fruits, and small invertebrates. During the breeding season, it focuses more on protein-rich insects to support its energy needs. The bird employs a variety of foraging techniques, such as ground feeding and gleaning from foliage. It often forages in flocks, which increases efficiency and reduces predation risk. The Collared Myna's diet varies seasonally, with an increased intake of fruits and berries during the non-breeding season. Its feeding schedule is typically crepuscular, with peak activity occurring in the early morning and late afternoon.
Want to attract Collared Mynas to your yard? See our recommended feeders and seed types for the best results.
Collared Myna Behavior and Social Structure
The Collared Myna is a highly social bird, often observed in small, cohesive flocks. Its social structure involves complex hierarchies, particularly during the breeding season when pairs establish territories. Courtship displays include mutual preening and vocal duets, strengthening pair bonds. The bird's response to predators is to issue loud alarm calls while gathering in groups to mob the threat. Daily activity patterns show a preference for foraging during the cooler hours of dawn and dusk. This behavior helps the mynas avoid the midday heat, and the social flocks provide protection from predators.
Collared Myna Nesting and Reproduction
Collared Mynas prefer to nest in cavities, often using natural tree holes or abandoned woodpecker nests. They may also adapt to urban environments by nesting in buildings. The nest is constructed using a variety of materials such as grass, leaves, and twigs. A typical clutch consists of 3-5 eggs, with both parents sharing incubation duties over a period of 14-16 days. After hatching, the fledglings remain in the nest for approximately 22-24 days before taking their first flight. The Collared Myna typically raises two broods per year, depending on environmental conditions and food availability.
Collared Myna Sounds and Vocalizations
The Collared Myna's primary song is a varied sequence of whistles, clicks, and squawks, with a rhythm that can be both melodic and harsh. Its call notes are sharp and carry well over distances, serving as contact calls within flocks. Alarm calls are distinct, loud, and repetitive, designed to alert fellow mynas of potential threats. During the dawn chorus, the Collared Myna is particularly vocal, with individuals engaging in complex vocal exchanges that establish territory and social bonds.
Interesting Facts About the Collared Myna
- 1The Collared Myna's white collar is a unique feature among mynas, making it easily distinguishable from other species.
- 2Despite its adaptability, the Collared Myna is primarily found in Southeast Asia, showing strong regional ties.
- 3These mynas are known for their intelligence, capable of mimicking sounds and learning to solve simple puzzles.
- 4The Collared Myna can form flocks of up to 30 individuals, increasing feeding efficiency and reducing predation risk.
- 5Their varied diet helps control insect populations, providing an essential ecological service.
- 6The Collared Myna has a diverse vocal repertoire, including mimicry of other bird species and environmental sounds.
- 7Urban populations of Collared Mynas have shown innovative foraging strategies to exploit human-related food sources.
Collared Myna Conservation Status
According to the IUCN, the Collared Myna is currently listed as Least Concern, with a stable population trend. Primary threats include habitat loss due to agricultural expansion and urban development. However, the species' adaptability to human-altered landscapes has mitigated these impacts to some extent. Conservation efforts focus on habitat protection and monitoring population trends. Historically, the Collared Myna has shown resilience to environmental changes, maintaining stable numbers across its range.
Attracting Collared Mynas to Your Feeder
The Collared Myna is a regular visitor to backyard bird feeders across its range. At the Eye On The Fly feeding station, we observe Collared Mynas regularly and capture footage with our feeder cameras.
Other Sturnidae Species
Birds Similar to the Collared Myna
These species are often confused with the Collared Myna due to similar appearance or overlapping range.
