Aethopyga mystacalis
The Javan Sunbird (Aethopyga mystacalis) is a dazzling, diminutive passerine endemic to the islands of Java and Bali, Indonesia. Males are particularly striking, boasting a vibrant iridescent scarlet or crimson throat and back, contrasting with a bright yellow belly and dark olive wings. Their most distinctive field mark is the pair of elongated, iridescent bluish-purple central tail streamers, which can add several centimeters to their already small body length of approximately 12-13 cm and ...
This species primarily inhabits subtropical and tropical moist lowland and montane forests, as well as disturbed habitats like forest edges, plantations, gardens, and even urban parks. It is typically found from sea level up to around 2,000 meters elevation.
Its primary diet consists of nectar, supplemented significantly by small insects and spiders. Foraging is done by probing flowers or gleaning arthropods from foliage.
The Javan Sunbird is a highly active and agile diurnal bird, often seen flitting between flowers and branches. It primarily forages by probing flowers with its specialized decurved bill to extract nectar, often hovering briefly like a hummingbird but more typically perching to feed. Small insects...
The Javan Sunbird (Aethopyga mystacalis) is an endemic resident species, restricted entirely to the Indonesian islands of Java and Bali. Its distribution spans across both the main island of Java, from west to east, and the smaller adjacent island of Bali. Within this range, it occupies a variety...
Least Concern
- The Javan Sunbird's iridescent colors are not due to pigments, but rather the structural arrangement of microscopic barbules on its feathers, which refract light. - Despite their hummingbird-like feeding style, sunbirds are not closely related to hummingbirds; their similarities are a remarkabl...