The black eagle (Ictinaetus malaiensis) is a large, all-dark forest raptor with long, broad wings and yellow feet that glides slowly and low over the canopy of hill forests in India, searching for the nests of other birds. It is a resident of the Western Ghats, the Himalayan foothills, the north-east and other wooded hills, and it is one of the most graceful fliers among Indian eagles.
Unlike many eagles, the black eagle is rarely seen perched in the open or chasing large prey. It specialises in raiding nests, and its flight is so buoyant that a single bird can drift along a forested slope for several minutes without a wingbeat. Knowing the bird’s shape, behaviour and habitat makes it far easier to spot and identify.
Black Eagle Quick Facts
| Common name | Black eagle (also called the Indian black eagle or Malayan eagle) |
|---|---|
| Scientific name | Ictinaetus malaiensis |
| Family | Accipitridae (hawks, eagles and kites) |
| Size | About 65 to 80 cm long, with a wingspan of roughly 1.6 to 1.8 metres |
| Habitat in India | Evergreen and moist deciduous forest on hills and mountain slopes, often near clearings and forest edges |
| Range in India | Western Ghats, Himalayan foothills, north-east India, parts of the Eastern Ghats and central hill forests |
| Diet | Eggs and nestlings of birds, squirrels, rats, bats, lizards and other small animals |
| Breeding and movement | Resident; builds a large stick nest high in a tree and usually lays a single egg; makes local altitudinal movements |
| Conservation status | Least Concern on the IUCN Red List, with populations linked to intact forest |
Key Takeaways
- The black eagle is a resident forest eagle of India, found in the Western Ghats, Himalayan foothills and north-eastern hills.
- The black eagle has blackish-brown plumage, yellow feet and a yellow cere, with long wings that bulge toward the body and are held upswept in slow flight.
- The black eagle hunts mainly by gliding slowly over the forest canopy and raiding the nests of other birds for eggs and chicks.
- The black eagle has unusually long toes and small, weak-looking feet compared with most eagles, suited to plucking nest contents rather than killing large prey.
- The black eagle usually lays a single egg in a big stick nest high in a tall tree, so it breeds slowly.
- The black eagle depends on large areas of intact forest, and loss of tall trees and canopy cover is its main threat.
What does a black eagle look like?
A black eagle looks like a large, uniformly blackish-brown eagle with a long tail, long wings and bright yellow feet. In good light the plumage can have a slight purplish gloss, and the cere (the fleshy patch at the base of the bill) and the base of the bill are yellow.
The bird is about 65 to 80 cm long and has a wingspan of around 1.6 to 1.8 metres. The sexes look alike, though females are slightly larger. Young birds are paler and browner, with buff streaking on the head and underparts, and they darken gradually over several years.
Wing shape
The most useful feature is the shape of the wings in flight. The black eagle has very long wings that are narrow at the body, bulge outward along the trailing edge and then taper to long “fingers” at the tips. When gliding, the bird holds its wings in a shallow V, with the tips pointing upward, and its long tail is often slightly spread. This gives a distinctive silhouette that is unlike that of any other large Indian raptor.
Feet and bill
The black eagle has proportionally small feet with long toes, and the bill is small and weakly hooked compared with the powerful bill of a booted eagle or spotted eagle. These features match its specialised diet. The yellow legs are feathered down to the toes, which is characteristic of the group known as booted eagles.
Where is the black eagle found in India?
The black eagle is found across the forested hills of India, particularly the Western Ghats, the Himalayan foothills up to moderate elevations, and the hills of north-east India. It is a resident that does not undertake long migrations.
Outside India the species ranges through Nepal, Bhutan, Sri Lanka, Myanmar and much of Southeast Asia into Indonesia. In India, good places to look include forested valleys in Kerala, Karnataka and Tamil Nadu, the lower slopes of the Himalaya in Uttarakhand, Himachal Pradesh and Sikkim, and hill forests in Assam, Arunachal Pradesh and neighbouring states.
- Western Ghats: evergreen and semi-evergreen forests, tea and coffee plantation edges, and hill reserves
- Himalayan foothills: oak, rhododendron and mixed forest belts
- North-east India: wet evergreen and bamboo-rich hill forest
- Eastern Ghats and central hills: patches of moist deciduous forest in valleys and ridges
The bird often hunts along ridges, forest roads and clearings where it can glide close to the treetops. It is generally found from the plains foothills up to around 2,000 metres or more in the Himalaya, and some individuals shift between elevations according to season and food.
What does the black eagle eat?
The black eagle eats mainly the eggs and nestlings of forest birds, along with small mammals such as squirrels and rats, bats, lizards and sometimes frogs. Its diet is unusual for an eagle, because nest contents are an important part of it.
A nest raider
The black eagle glides low over the canopy and scans the branches for nests. It then drops down and snatches eggs or chicks, often hovering briefly or hanging in the air near the nest. Forest birds such as babblers, thrushes, bulbuls and others that nest in the canopy are at risk.
Other prey
The bird also takes tree squirrels, rats and bats, particularly where the canopy has openings. It hunts reptiles on or near the ground, including lizards. It does not generally take large mammals or big birds, which fits the small bill and weak-looking feet. Occasional carrion may be taken, but the bird is far from a scavenger.
How does the black eagle fly and hunt?
The black eagle flies and hunts by gliding very slowly and very low over the forest canopy with its wings held in a shallow V, making an occasional lazy flap, which allows it to scan tree crowns for nests. Its slow flight is one of the most remarkable among Indian raptors.
It can fly slowly without stalling thanks to its long, broad wings, which provide a great deal of lift at low speed. Watchers often see the bird drifting along a hillside, riding the air currents that rise up the slope and over the trees. It frequently turns, banks and sideslips while following the contours of the forest.
The black eagle is also known for aerial displays. In the breeding season a pair may soar high, and an individual may perform undulating “roller-coaster” flights and steep dives, often calling. The calls are high-pitched, ringing notes that carry across forest valleys, and they are one of the best clues to the presence of the species when the bird cannot be seen.
How do you tell a black eagle from other dark raptors?
You can tell a black eagle from other dark raptors by its yellow feet, its long wings with a bulge along the trailing edge, its low and slow flight over the canopy and its entirely dark plumage. Several other raptors can look dark from below, so a comparison is useful.
| Bird | Distinguishing clues |
|---|---|
| Black eagle | All dark, yellow cere and feet, long upswept wings, slow low glide over forest |
| Black kite | Smaller, with a forked tail, brown rather than blackish, found around towns and water |
| Crested serpent eagle | Broad rounded wings, black-and-white barred underside and a spotted body, often calling loudly |
| Booted eagle (dark morph) | Smaller, with a paler tail and light patches on the shoulders and rump; a winter visitor |
| Greater spotted eagle | Compact, short-tailed and flat-winged, typically over open wetlands and fields |
| Changeable hawk-eagle (dark morph) | Shorter, broader wings, a barred tail and a crest in some forms |
Seen from below, the black eagle shows a uniformly dark body, with faint barring on the flight feathers and tail that is usually visible only in good light. Its long tail is a useful contrast to the shorter tails of many other dark eagles.
How does the black eagle breed?
The black eagle breeds by building a large nest of sticks high in a tall forest tree, and the female usually lays a single egg. The species does not migrate to breed, so pairs maintain territories in the same forest areas year after year.
In India, breeding takes place mostly in the cooler, drier months, though the exact timing varies with region and altitude. The nest is a bulky platform that is often placed near the top of a tall tree on a slope or ridge, giving the pair a clear view and easy take-off. Both parents help with the nest, and the young bird takes a long time to fledge and become independent.
Because the pair produces only one chick at a time, and often not every year, population recovery is slow. This makes the black eagle sensitive to the loss of nesting trees, even though the species as a whole is not currently considered threatened.
Is the black eagle threatened?
No, the black eagle is currently classed as Least Concern by the International Union for Conservation of Nature (IUCN), but its numbers depend on healthy forest and many local populations are vulnerable. The species benefits from the large size of its range, yet it is closely tied to tall trees and canopy cover.
- Forest loss and fragmentation: Clearing of hill forests for agriculture, plantations, roads and development removes both nesting trees and feeding areas.
- Loss of large trees: Felling of tall emergent trees reduces suitable nest sites.
- Disturbance: Logging, grazing and human activity near nests can cause breeding failure.
- Pesticides and pollution: Chemicals can accumulate in the food chain, although this is less documented for this species than for others.
- Persecution: Occasional shooting or capture still occurs.
The black eagle is protected under the Wildlife (Protection) Act, 1972, and it occurs in many national parks, sanctuaries and tiger reserves, where forest cover is maintained.
What role does the black eagle play in the forest ecosystem?
The black eagle plays the role of a top avian predator in forest ecosystems, helping to regulate the numbers of nesting birds and small mammals. As a nest raider, it influences how and where forest birds choose to build their nests.
Its presence suggests that a forest is still large and complex enough to support tall trees and diverse prey. Conservationists often treat raptors like the black eagle as indicators of ecosystem health, because they sit near the top of the food chain and respond to changes in habitat quality.
How can you spot a black eagle?
You can spot a black eagle by scanning forested ridges and valleys from an open viewpoint during the morning and late afternoon, when the bird is most active, and by watching for a large dark shape drifting slowly with upswept wings.
- Choose viewpoints that overlook the canopy, such as ridgelines, forest roads and valley edges.
- Look for a slow, buoyant glider that rarely flaps and often turns along the slope.
- Check for yellow feet and the bulging, long wings.
- Listen for high-pitched calls, especially in the breeding season.
- Keep a respectful distance from any nest, and avoid playing recorded calls, which can stress the birds.
Bottom Line
The black eagle is a specialist of Indian hill forests that uses slow, low gliding flight to find the nests of other birds. It is not currently threatened, but its survival depends on tall trees and continuous forest, which makes it a useful indicator of the health of the habitat it patrols.
Frequently Asked Questions
Is the black eagle really black?
Yes, the adult black eagle is almost entirely blackish-brown, with a slight purplish gloss in good light. Its bright yellow feet and cere stand out against the dark plumage. Young birds are paler and browner with buff streaks.
Where can you see a black eagle in India?
You can see a black eagle in the forested hills of the Western Ghats, the Himalayan foothills and the hills of north-east India. It is a resident, so it can be seen throughout the year. Ridges and valleys that overlook the forest canopy are the best viewing spots.
What does the black eagle eat?
The black eagle eats mainly the eggs and chicks of forest birds, along with squirrels, rats, bats and lizards. It finds nests by gliding slowly over the treetops. It rarely takes large prey, which suits its small bill and weak-looking feet.
How is the black eagle different from the black kite?
The black eagle is much larger than the black kite, with long upswept wings, yellow feet and a long, unforked tail. The black kite is smaller, browner and has a forked tail, and it often lives near towns and water. The black eagle prefers forested hills.
Is the black eagle endangered in India?
No, the black eagle is classed as Least Concern by the IUCN and is still widespread in India. However, it relies on tall trees and large forest tracts, so deforestation and fragmentation can reduce local populations. It is protected under the Wildlife (Protection) Act, 1972.
How many eggs does a black eagle lay?
A black eagle usually lays a single egg. The nest is a large stick platform high in a tall tree, and the chick takes a long time to fledge. This slow breeding rate means populations recover slowly after losses.
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