The Eastern Imperial Eagle (Aquila heliaca) is a large bird of prey that can reach impressive sizes. According to the information provided, the adult total length of this majestic bird can range from 68 to 90 cm (27 to 35 inches), with a typical wingspan of 1.76 to 2.16 m (5 ft 9 in to 7 ft 1 in).
The Size Difference Between Male and Female Eastern Imperial Eagles
One notable characteristic of the Eastern Imperial Eagle is the significant size difference between males and females. Females are usually larger and heavier than males, with a body mass difference of up to 40% in some cases. The average body mass for males is around 2.88 kg (6.3 lb), while for females, it is around 3.38 kg (7.5 lb).
Detailed Measurements of Eastern Imperial Eagles
Image source: eastern imperial eagle By Koshy Koshy
When it comes to standard measurements, the Eastern Imperial Eagle exhibits the following ranges:
| Measurement | Males | Females |
|---|---|---|
| Wing Chord Length | 540 to 622 mm (21.3 to 24.5 in) | 565 to 665 mm (22.2 to 26.2 in) |
| Tail Length | 260 to 308 mm (10.2 to 12.1 in) | 270 to 330 mm (11 to 13 in) |
| Tarsus Length | 91 to 98 mm (3.6 to 3.9 in) | 97 to 107 mm (3.8 to 4.2 in) |
These measurements showcase the impressive size and proportions of the Eastern Imperial Eagle, with females generally being larger than their male counterparts.
The Diverse Diet of the Eastern Imperial Eagle
The Eastern Imperial Eagle is a carnivorous and opportunistic predator, with a varied diet that includes small to medium-sized mammals, birds, reptiles, fish, and insects. This adaptability allows the eagle to thrive in different environments and take advantage of available prey.
Breeding and Nesting Behavior
Eastern Imperial Eagles are monogamous and engage in aerial displays during the breeding season, which includes loud calling, high circling, mock dives, and talon showing. They build large nests of sticks, which may average up to 1.2 to 1.5 m (3 ft 11 in to 4 ft 11 in) across and 60 to 70 cm (24 to 28 in) in depth. The female lays 2 to 3 eggs and incubates them for 43 days. The eaglets hatch at intervals of several days and are brooded by the female, while the male captures prey. The young fledge at 63 to 77 days of age and after leaving the nest, they usually linger near it for 2-3 days.
Conservation Efforts and Threats
The Eastern Imperial Eagle has faced significant declines throughout history due to direct persecution by humans, habitat destruction, and electrocution on power poles. However, there has been a small positive development for the population of Eastern Imperial Eagles in Europe due to sustained conservation efforts. The Eastern Imperial Eagle is classified as “Vulnerable” by BirdLife International, with many local populations consisting of a handful of pairs, making them more vulnerable to adverse events. The main threats to the Eastern Imperial Eagle include illegal poisoning, destruction of habitat, and electrocution on power poles.
In conclusion, the Eastern Imperial Eagle is a truly impressive bird of prey, with adult individuals reaching impressive sizes, particularly the females. The species’ unique characteristics, breeding behavior, and the ongoing conservation efforts to protect it are all important aspects to consider when understanding the significance of this majestic raptor.
References:
– https://carnivora.net/eastern-or-asian-imperial-eagle-v-red-headed-vultu-t6009.html
– https://animalia.bio/eastern-imperial-eagle?environment=207
– https://europeanraptors.org/eastern-imperial-eagle/
