Species Profile
Black Eagle
Ictinaetus malaiensis
Quick Facts
Conservation
LCLeast ConcernLifespan
20–30 years
Length
65–80 cm
Weight
1000–1600 g
Wingspan
148–182 cm
Migration
Resident
Also known as: Asian Black Eagle
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Appearance
The Black Eagle is a striking raptor with predominantly dark plumage, ranging from deep brown to black. Its large size, broad paddle-shaped wings, and distinctive tail barring are key identifying features. The tail is relatively long, contrary to what was stated.
Adults have dark brown eyes and yellow cere, contrasting with their dark plumage. Juveniles are similar but show more brown tones and pale streaking on the head, neck, and underparts. There is little variation between subspecies, though they differ slightly in size.
Identification & Characteristics
Colors
- Primary
- Black
- Secondary
- White
- Beak
- Black
- Legs
- Yellow
Attributes
Understanding Attributes
Rated 0–100 based on research and observation. A score of 50 is average across all bird species. These attributes are relative and don't necessarily indicate superiority.
Habitat & Distribution
Black Eagles inhabit a range of forested habitats across South and Southeast Asia, from India and Sri Lanka to southern China and Indonesia. They prefer montane and submontane forests, including evergreen, deciduous, and mixed woodlands.
These birds are typically found at elevations between 300 and 2,200 meters, though they can occur up to 3,000 meters in some areas. They are non-migratory, maintaining year-round territories in suitable habitats.
Distribution
Diet
Black Eagles are skilled hunters, primarily targeting small to medium-sized arboreal mammals. Their diet includes squirrels, flying squirrels, and occasionally small primates. They also prey on birds, reptiles, and amphibians.
Their specialised hunting technique allows them to snatch prey directly from trees.
Behaviour
Black Eagles are known for their graceful soaring flight, often gliding along hillsides and forest edges. They are typically solitary or seen in pairs.
These birds exhibit a unique hunting technique: They fly low over the forest canopy and snatch prey from treetops or the ground with their powerful talons.
Calls & Sounds
Black Eagles are generally quiet but become more vocal during the breeding season. Their calls include a high-pitched, drawn-out whistle, often described as 'kleeee-ow'.
They also produce a series of quick, sharp whistles when alarmed or during territorial displays.
Nesting & Breeding
Black Eagles form monogamous pairs and engage in aerial displays during courtship. The breeding season varies across their range but often coincides with the dry season preceding the monsoons.
Nests are large platforms of sticks, typically placed high in tall trees on forested slopes. The female usually lays a single egg, which is white with reddish-brown markings.
Both parents participate in incubation, which lasts about 45 days. The nestling period is prolonged, with the young eagle remaining in the nest for approximately 70 to 80 days before fledging.
Conservation
While the Black Eagle is currently listed as Least Concern by the IUCN, it faces threats from habitat loss due to deforestation and agricultural expansion.
Conservation efforts focus on protecting large tracts of forest within its range, particularly in mountainous areas where the species is most prevalent.
Elevation
Up to 3,520 meters
Additional Details
- Predators:
- Adult Black Eagles have few natural predators due to their size and aerial prowess. However, eggs and nestlings may be vulnerable to other large birds of prey and arboreal mammals.
Birdwatching Tips
- Look for Black Eagles soaring above forested hills and mountains
- Observe their distinctive silhouette with broad wings and short tail
- Listen for their high-pitched, whistling calls during the breeding season
- Watch for their low, gliding flight pattern over the forest canopy
Did You Know?
- Black Eagles have unusually long toes, an adaptation for snatching prey from tree branches.
- They are one of the few eagle species that specialise in hunting in dense forest canopies.
- Despite their name, Black Eagles are not completely black but have subtle brown tones in their plumage.
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