Europe's smallest eagle, a feisty raptor that punches above its weight, this compact eagle roams across continents with remarkable adaptability.

Visual Identification

Appearance

The Booted Eagle exhibits two distinct colour morphs: pale and dark. The pale morph displays white underparts with dark flight feathers, while the dark morph is uniformly brown. Both forms share a distinctive white 'landing lights' patch on the upper wing coverts.

Females are noticeably larger than males, but plumage is similar. Juveniles resemble adults but may show more rufous tones on the underparts and a less defined wing pattern.

Size

Length

42cm to 51cm

Wingspan

110cm to 132cm

Weight

510g to 1.34kg

Colours

Males and females have similar plumage

Primary Colour

Brown White

Secondary Colour

Black Buff

Beak Colour

Black

Leg Colour

Yellow

Habitat and Distribution

Habitats

Woodland

Garden

Wetland

Coastal

Urban

Farmland

Grassland

Desert

Tundra

Rainforest

Mountain

Savanna

Distribution

Booted Eagles inhabit a wide range of habitats, from open woodlands and forest edges to mountainous areas and semi-arid landscapes. They are found across southern Europe, North Africa, and parts of Asia, with some populations extending into the Indian subcontinent.

During the breeding season, they prefer temperate and Mediterranean climates. Wintering grounds include sub-Saharan Africa and southern Asia, highlighting their long-distance migratory nature.

Elevation Range

Sea level to 3,000 meters

Climate zones

Temperate, Mediterranean, Subtropical

Distribution Map

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Resident
Breeding
Passage
Vagrant

Distribution by Region

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Behaviour and Ecology

Bird Attributes

Tap the icon next to each attribute for more information.

Agility 90
Strength 75
Adaptability 85
Aggressiveness 70
Endurance 88

Diet

Booted Eagles are versatile predators. They primarily hunt small—to medium-sized birds and mammals. Their diet includes pigeons, jays, rabbits, and rodents.

They occasionally take reptiles and larger insects, showcasing their adaptability to different prey across their range. Prey is frequently located whilst the eagle is perched nearby and can be caught from a fast, almost vertical swoop from above.

Behaviour

Booted Eagles are known for their spectacular aerial displays during courtship, performing steep dives and loop-the-loops. They are generally solitary or found in pairs, fiercely defending their territory against intruders.

These birds often hunt by soaring high and then swooping down on prey with remarkable speed and precision.

Vocalisation

Booted Eagles are generally quiet outside the breeding season. During courtship and territorial defence, they emit a series of high-pitched, yelping calls that sound like 'kli-kli-kli' or 'kyip-kyip-kyip'. These vocalisations are often accompanied by aerial displays.

Nesting & Breeding

Breeding pairs form in early spring, engaging in impressive aerial courtship displays. Booted Eagles are monogamous and often return to the same nesting sites year after year.

Nests are typically built in tall trees, constructed with sticks and lined with green leaves. Females lay 1-2 eggs, which are white with brown spots. The eggs are incubated for about 37-40 days.

Both parents participate in rearing the young, which fledge after 50-55 days but remain dependent on the adults for several more weeks. Only one brood is raised per year.

Lifespan

Typical Lifespan Range 15 - 20 years
0
6
11
17
22

years

The Booted Eagle typically lives for 15 to 20 years.

Like all birds, lifespan can be affected by factors including predation, habitat quality, disease, and access to food sources.

Conservation and Status

Global Conservation Status

Least Concern [1]

While listed as Least Concern globally, Booted Eagles face localised threats from habitat loss and illegal shooting during migration.

Conservation efforts focus on protecting breeding habitats and migration routes, particularly in Europe and North Africa.

Population Data

Global Population Estimate

150,000 - 195,000 mature individuals [2]

Global Population Trend

Stable[3]

Birdwatching Tips

  • Look for their distinctive silhouette with broad wings and short tail while soaring
  • Listen for their high-pitched 'kli-kli-kli' call during breeding season
  • Observe woodland edges and open areas near forests where they often hunt
  • In Europe, watch for them during spring and autumn migrations

Additional Information

Quick Facts

Other names:

Booted Hawk-Eagle

Family:

Accipitridae

Predators

Adult Booted Eagles have few natural predators, but eggs and nestlings may fall victim to other raptors, corvids, and climbing mammals.

Did You Know?

  1. The Booted Eagle gets its name from its feathered legs resembling boots.
  2. It's one of the smallest eagles in Europe but can take prey larger than itself.
  3. Some individuals can migrate over 10,000 km annually between breeding and wintering grounds.

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References

  1. 1 2 3

    website: BirdLife International. 2021. Hieraaetus pennatus. The IUCN Red List of Threatened Species 2021: e.T22696092A206456835.

    View source