Javan Myna (Acridotheres javanicus) lives in open savanna across Southeast Asia. It feeds on insects and fruit. Its conservation status is Vulnerable.
Fascinating facts about the Javan Myna
- Javan mynas show an unusual tolerance for close human presence, often remaining perfectly still when a person approaches within two metres. Their bold nature and lack of fear of humans means they do not flee even at such short distances. This calmness is linked to frequent exposure to people in the urban environments they inhabit, where they are commonly seen in cities and cultivated areas.
- Javan mynas are recognised for their quick problem-solving abilities, a trait described as adaptive learning. An observed individual learned to fly up to an automatic door's motion sensor, triggering the mechanism to open. The bird and its mate then used the opened door to escape, illustrating how they can manipulate human technology. Such ingenuity shows how their adaptability enables them to exploit novel resources in altered habitats.
- When feeding in groups of two to four or more, Javan mynas assign one bird to act as a sentinel perched at a vantage point. If this lookout detects a potential threat, it emits a sharp, high-pitch tweet that instantly alerts the entire group. The coordinated alarm causes all members to flee the area swiftly, demonstrating a collective anti-predator strategy. This behaviour enhances the safety of the foraging flock by providing rapid warning coverage.
- Territorial bouts between Javan mynas are brief but intense, typically lasting from one minute up to ten minutes. The birds usually engage in pairs, with two sets of pairs confronting each other over territory, mates or food. The primary aim of these noisy fights is to display dominance rather than cause serious injury, and the defeated side simply retreats.
- Javan mynas first arrived in Singapore during the 1920s, when the city served as a massive colonial trade hub for the British Empire and birds were imported through the caged-bird trade. Their introduction was part of a wider pattern of human-mediated dispersal that has also seen the species spread to other Asian nations and even distant locales such as Puerto Rico.
Sources
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At a glance
RangeSoutheast Asia
HabitatOpen savanna
DietInsects and fruit
About the Javan Myna
In the lush, vibrant landscapes of Southeast Asia, the Javan Myna dances through the trees with an air of quiet confidence, its sleek black plumage glistening like polished onyx as it flits between the shadows. With a flick of its distinctive yellow beak, this charismatic bird navigates the intricate web of branches and foliage, its bright, inquisitive eyes ever-vigilant for the next morsel or hidden danger. As it moves, the Javan Myna's soft, melodious call echoes through the forest, a haunting serenade that underscores the fragility and beauty of this vulnerable species.
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