Javan Myna
Acridotheres javanicus
Originally restricted to the Indonesian islands of Java and Bali, this crested myna has since been introduced to Singapore, Taiwan, and various parts of Malaysia and Indonesia. Dark gray overall with a spiffy erect crest and a bright yellowish-orange bill. Darker than Jungle Myna, with which it overlaps in both its native and introduced ranges. Also compare with Crested Myna; note Javan’s brighter bill and white vent. Bold and social, foraging in farms, parks, and gardens. Roosts in large noisy flocks, often close to human habitation.
Identification
The Javan myna is mainly black. The wings are brownish-black, and the primaries have white bases, displayed in flight as a striking white wing bar, along with a white tail bar. The undertail-coverts are white. There is a short crest on the forehead. Its beak, legs and feet are yellow. The eyes are lemon-yellow. The immature is browner. Its length is 21–23 cm (8.3–9.1 in). Its weight is about 100 g (3.5 oz).
Taxonomy
The Javan myna is sometimes included in the great myna (Acridotheres grandis) or the jungle myna (A. fuscus). The International Ornithologists' Union recommends not using the name "white-vented myna" to avoid confusion with the Pale-bellied Myna A. cinereus.
- Scientific name
- Acridotheres javanicus
- Authority
- Cabanis, 1851
- Order
- Passeriformes
- Family
- Sturnidae
- Genus
- Acridotheres
Range and habitat
The Javan myna is native to Bali and Java, and has been introduced to southeastern Thailand, southern Malaysia, Singapore, Sumatra, the Lesser Sundas, Taiwan, Puerto Rico, Japan and Nepal. It is found in cities and cultivated areas.
- Migration
- Resident species
Behavior
The Javan myna is omnivorous and eats seeds, fruit, nectar, insects and human waste. It is often found in large groups. Its voice is similar to that of the common myna. It builds its nest in holes. The eggs are bluish-glaucous. Javan mynas are bold and not very afraid of humans. Javan mynas are kept in cages in Malaysia and Indonesia. The birds scavenge in groups, minimum two but usually three or more, with all except one feeding and one usually at a vantage point keeping a look out. If the bird that is keeping watch sees anything that might pose a threat, it alarms the group members with a high pitch tweet and they all flee the area swiftly.[citation needed] If one of them is separated, they would tend to tweet to attract other mynas of their kind to come over.
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
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