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Steppe eagle

life science Maturity 7-9 Next article →

The steppe eagle (Aquila nipalensis) is a large and powerful bird of prey.

Aravalli BiodivPark Gurgaon DSC9208 steppe eagle
Aravalli BiodivPark Gurgaon DSC9208 steppe eagle

It belongs to the family Accipitridae, which includes many well-known raptors. This species is a member of the subfamily Aquilinae, often called the "booted eagles." This name refers to the feathers that cover their legs.

Aquila nipalensis 2010
Aquila nipalensis 2010

While they share some traits with other eagles, they are a unique and specialized species. They play an important role in the ecosystems where they live and migrate.

The steppe eagle has a very specific way of feeding.

Spermophilus
Spermophilus

On their breeding grounds, they act as specialized predators of ground squirrels. When ground squirrels are scarce, they will hunt other small mammals.

Daurischer Pfeifhase Ochotona dauurica
Daurischer Pfeifhase Ochotona dauurica

Their diet changes significantly during the winter months. Instead of active hunting, they adopt a passive feeding ecology. They may focus on insect swarms, landfills, or carrion.

Steppe Eagle 001
Steppe Eagle 001

They even consume the semi-altricial young of other animals. This makes them less bold than many of their eagle cousins.

Nesting habits for this species are quite unusual.

Steppe of western Kazakhstan in the early spring
Steppe of western Kazakhstan in the early spring

In treeless steppe habitats, they often build nests on slight rises or near rocky outcrops. However, they can also be found on flat, wide-open ground.

КА - СтО15 - вид с жилого Гн
КА - СтО15 - вид с жилого Гн

They are actually the only eagle species that nests primarily on the ground. In a typical nest, one to three eggs are laid. If the nest is successful, one to two young eagles will eventually fledge.

History and scientific naming for the steppe eagle are quite complex.

Bird taxidermy at Nairobi National Museum (20)
Bird taxidermy at Nairobi National Museum (20)

In 1788, Samuel G. Gmelin described an eagle called "Aquila mogilnik." The name "mogilnik" means "burial" in Russian because the birds sat on ancient graves. Later, in 1833, British naturalist Brian Houghton Hodgson described the species as Aquila nipalensis. The name "nipalensis" means "from Nepal," likely because the type specimen was found there during migration.

The steppe eagle (Aquila nipalensis) -63
The steppe eagle (Aquila nipalensis) -63

For a long time, scientists thought they were the same species as the tawny eagle. However, differences in anatomy and DNA have since proven they are distinct.

The steppe eagle is currently facing a very serious decline.

Steppe eagle near Chandigarh
Steppe eagle near Chandigarh

Researchers believe the entire population has dropped by more than 50%. Because of this, the IUCN considers the species to be endangered. Many different factors contribute to this loss. Increasing steppe fires and pests near nests can cause large numbers of nest failures.

Aquila nipalensis egg, Collection Museum Wiesbaden
Aquila nipalensis egg, Collection Museum Wiesbaden

Human disturbance and the trampling of nests by livestock also cause harm.

In certain regions, human technology creates new dangers for these birds.

Aquila nipalensis Steppe Eagle
Aquila nipalensis Steppe Eagle

In Kazakhstan, which is a major breeding stronghold, many eagles die from electrocutions. This happens when they hit dangerous electrical wires and pylons.

Aquila nipalensis Steppe Eagle
Aquila nipalensis Steppe Eagle

Despite these threats, the bird remains a powerful cultural symbol. The steppe eagle appears on the flag of Kazakhstan. It is also recognized as the national bird of Egypt.

Finally, the steppe eagle is a remarkable traveler.

They undertake massive migrations from almost their entire breeding range. They move in large groups past major flyways, including the Middle East and the Red Sea.

The steppe eagle (Aquila nipalensis) - l66
The steppe eagle (Aquila nipalensis) - l66

Some populations also travel past the Himalayas. This movement connects different parts of the world through the birds' seasonal journeys. Understanding their biology and their threats is vital for their survival.

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🖼️ Images & Media (27)
File:Steppe Eagle's Gape.jpg
Steppe Eagle's Gape.jpg
File:Steppe Eagle (Aquila nipalensis) (24890757897).jpg
Steppe Eagle (Aquila nipalensis) (24890757897).jpg
File:Aravalli BiodivPark Gurgaon DSC9208 steppe eagle.jpg
Aravalli BiodivPark Gurgaon DSC9208...
File:Aquila nipalensis 2010.JPG
Aquila nipalensis 2010.JPG
File:Steppe Eagle (Aquila nipalensis) (33613515334).jpg
Steppe Eagle (Aquila nipalensis) (33613515334).jpg
File:Steppe Eagle (Aquila nipalensis) (32675989348).jpg
Steppe Eagle (Aquila nipalensis) (32675989348).jpg
File:Steppe of western Kazakhstan in the early spring.jpg
Steppe of western Kazakhstan in the early...
File:Steppe eagle (Aquila nipalensis).jpg
Steppe eagle (Aquila nipalensis).jpg
File:The steppe eagle (Aquila nipalensis) -63.jpg
The steppe eagle (Aquila nipalensis) -63.jpg
File:The steppe eagle (Aquila nipalensis) - l66.jpg
The steppe eagle (Aquila nipalensis) - l66.jpg
File:Spermophilus.jpg
Spermophilus.jpg
File:Daurischer Pfeifhase Ochotona dauurica.JPG
Daurischer Pfeifhase Ochotona dauurica.JPG

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