The Eastern Imperial Eagle (Aquila heliaca) is a large bird of prey known for its impressive size and strength. These majestic birds are capable of carrying prey that is significantly lighter than their own body weight. According to the information provided, the average weight of an adult female Eastern Imperial Eagle is around 3,150-4,550 g (6.9-10.0 lb), while the average weight for a male is around 2,450-2,750 g (5.4-6.0 lb).

Carrying Capacity of the Eastern Imperial Eagle

Based on the information gathered, it is generally accepted that birds of prey like the Eastern Imperial Eagle can carry prey that is up to approximately one-third of their own body weight. This means that:

• A female Eastern Imperial Eagle could theoretically carry prey weighing up to 1,575-1,517 g (3.4-3.3 lb).
• A male Eastern Imperial Eagle could theoretically carry prey weighing up to 816-917 g (1.8-2.0 lb).

It’s important to note that the exact carrying capacity can vary depending on the size and strength of the individual eagle, as well as the specific prey being carried.

Prey Preferences of the Eastern Imperial Eagle

Image source: eastern imperial eagle By Koshy Koshy

The Eastern Imperial Eagle is a carnivorous, opportunistic predator that feeds on a wide variety of prey, including:

• Small to medium-sized mammals
• Birds
• Reptiles
• Fish
• Insects

These eagles are known to hunt in open fields or wetlands and build their nests in tall trees, though they may also construct nests in low scrub, on cliffs, or on the ground.

Conservation Status and Trends

The Eastern Imperial Eagle has experienced a significant decline throughout history, with people in eastern Europe and adjacent parts of Russia once admiring and even revering this eagle as a “sacred bird”. However, due to conservation efforts, the population of Eastern Imperial Eagles in Europe has shown a small positive trend in recent decades, with the species returning to breed in Austria after a long absence.

Conclusion

The Eastern Imperial Eagle is a remarkable bird of prey with the ability to carry prey that is significantly lighter than its own body weight. While the exact carrying capacity can vary, it is generally accepted that these eagles can carry prey weighing up to one-third of their own body weight. As conservation efforts continue, it is hoped that the population of Eastern Imperial Eagles will continue to recover and thrive in their natural habitats.

References:

• https://www.oiseaux-birds.com/card-eastern-imperial-eagle.html
• https://europeanraptors.org/eastern-imperial-eagle/
• https://animalia.bio/eastern-imperial-eagle?environment=207
• https://animaldiversity.org/accounts/Aquila_heliaca/
• https://www.allaboutbirds.org/news/what-is-the-heaviest-bird-a-bird-of-prey-can-carry/