


Common Myna
Acridotheres tristis


Acridotheres tristis
The Common Myna (*Acridotheres tristis*) is an introduced bird now widespread across eastern and northern Australia. It is a medium-sized, stocky bird with a chocolate-brown body, glossy black head, bright yellow bill and legs, and distinctive white wing patches that are especially visible in flight. Originally introduced from southern Asia in the 186s to control insect pests, the Common Myna has become one of Australia’s most widespread and controversial urban birds.
1. Glossy black head and upper breast contrasting with brown body
2. Bright yellow bill, legs, and eye patch
3. Large white wing patches and white-tipped tail visible in flight
Common Mynas are omnivorous scavengers, feeding on insects, fruits, seeds, scraps, pet food, and even fledgling birds. They are highly social, often forming large, noisy communal roosts in the non-breeding season that can number in the thousands. Breeding occurs mainly from September to March, with pairs forming strong year-round bonds. They nest in tree hollows, roof voids, building crevices, and other cavities, often aggressively evicting native birds and mammals from these sites. Their rapid nest construction, ability to rear multiple broods per season, and aggressive defense of nesting sites contribute to their success and invasive status.
Common Mynas thrive in open habitats across eastern and northern Australia, including city centers, suburban gardens, parks, farmland, airstrips, and roadside vegetation. They avoid dense forests, preferring areas with scattered trees and human activity. They are especially common in urban environments, where they benefit from abundant food and nesting sites. Morning and evening are the best times to observe them foraging in pairs or small groups on grassy areas.
Native to southern Asia, the Common Myna was introduced to Australia in the 186s and quickly established itself in urban and agricultural areas. It is now listed among the world’s 1 worst invasive species due to its impact on native wildlife and its ability to thrive in disturbed environments. The bird’s intelligence and adaptability have made it a common but controversial part of Australia’s urban landscape. It competes aggressively with native birds and mammals for nesting hollows, often evicting or harassing them, which reduces breeding success for species such as parrots and gliders.
24 cm
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