Nisaetus bartelsi
The Javan Hawk-Eagle, *Nisaetus bartelsi*, is a medium-sized, strikingly crested raptor endemic to the island of Java, Indonesia. Measuring 60-70 cm in length with a wingspan of 110-130 cm and weighing around 1.6-2.0 kg, it presents a formidable presence in its forest habitat. Its most distinctive feature is a long, black crest with a white tip, giving it a regal appearance often compared to a crown. Adults boast dark brown upperparts, a rufous head and neck, and white underparts heavily barr...
Primarily inhabiting dense, undisturbed tropical rainforests, particularly montane and submontane forests, though it can occasionally be found in lowland forests. It typically occurs at elevations ranging from sea level up to 3,000 meters.
The Javan Hawk-Eagle is a formidable apex predator, feeding primarily on small to medium-sized mammals such as tree shrews, squirrels, bats, and young macaques. It also preys on various birds (e.g., junglefowl, pigeons), reptiles like lizards and snakes, and occasionally large insects, employing ...
The Javan Hawk-Eagle is a diurnal predator, spending its days soaring majestically above the canopy or perched strategically within the forest, often on emergent trees, from which it scans for prey. Its primary foraging strategy involves patient perch-hunting, waiting before launching a swift, po...
The Javan Hawk-Eagle is strictly endemic to the island of Java, Indonesia, making its entire global distribution confined to this single island. Its historical range encompassed most of Java's forested regions, but today, its distribution is severely fragmented and restricted to remaining patches...
Endangered
- The Javan Hawk-Eagle is the national bird of Indonesia, officially designated in 1993, and is often revered as the 'Garuda' from ancient Hindu and Buddhist mythology. - Its distinctive long, pointed crest, often tipped with white, gives it a unique and regal appearance, making it a standout amo...