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Beaudouin's Snake-Eagle

Circaetus beaudouini

iNaturalist eBird Wikipedia

The Beaudouin's Snake-Eagle is a majestic specialist of the African Sahel, easily identified by its piercing yellow gaze and its remarkable ability to hunt venomous snakes from the air.

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Quick Identification

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Size

Length: 60-66 cm (24-26 in); Wingspan: 155-170 cm (61-67 in); Weight: 1.5-2.2 kg (3.3-4.8 lbs)

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Colors

Grey-brown upperparts with white underparts featuring fine brown horizontal barring; striking bright yellow eyes and a grey cere.

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Key Features

Large owl-like head with piercing yellow eyes
White underparts with fine, dense horizontal barring
Broad wings with dark primary tips
Unfeathered, pale greyish-white legs

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 9 AM - 4 PM

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Season November-June (Dry season)

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Diet Specializes almost exclusively on snakes, including highly venomous species, but will also hunt lizards, small mammals, and large insects.

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Habitat Open savanna, Sahelian scrubland, dry woodlands, and agricultural edges with scattered trees.

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Where Does the Beaudouin's Snake-Eagle Live?

Native to the African continent, Beaudouin's Snake-Eagle occupies a specific latitudinal band across the Sahel region of West and Central Africa. Its core range extends from the Atlantic coast in Senegal and The Gambia, stretching eastward through Mali, Burkina Faso, and Nigeria, reaching into South Sudan and northwest Uganda. This species is a specialist of the semi-arid transition zone that lies between the Sahara Desert and the lush tropical forests further south.

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17 Countries

2.5M km² Range

Vulnerable Conservation

SN Senegal The Gambia Mali Burkina Faso Niger NG Nigeria Cameroon Chad Central African Republic Sudan South Sudan Guinea-Bissau Guinea Togo Benin Mauritania UG Uganda

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iNaturalist / Verified observation data

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Behavior

Beaudouin's Snake-Eagle is a solitary and stoic raptor, often observed perched motionless for long periods on high vantage points such as acacia trees, utility poles, or rocky outcrops. It is a patient hunter, spending hours scanning the ground for the slightest movement of its preferred reptilian prey. While they are primarily diurnal, they are most active during the middle of the day when thermal currents allow them to soar effortlessly over the savanna.

This species is relatively shy and tends to avoid areas with high human density, though it can be found on the fringes of agricultural land where prey is abundant. During the breeding season, they become more vocal, emitting a series of loud, whistling 'kwee-oo' calls. Unlike some other raptors, they are not known for long-distance migration, but they may move locally in response to the arrival of the rainy season in the Sahel.

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Camera Tips

Capturing Beaudouin's Snake-Eagle on a trail camera requires a focus on verticality and vantage points. Because these eagles spend the majority of their time scanning the ground from high perches, you should avoid standard ground-level setups. Instead, use a heavy-duty tree mount or strap to secure your camera 10 to 20 feet up a sturdy, isolated tree that commands a clear view of an open field or savanna. Look for 'white wash'—the chalky white droppings left by large raptors—at the base of trees to identify preferred roosting or hunting spots.

Since these birds are snake specialists, placing a camera near natural funnels for reptiles, such as rocky outcroppings or the edges of drying waterholes, can increase your chances of a sighting. If you are on a private farm or large rural property, installing a 'perch pole'—a 15-foot post with a sturdy 3-foot crossbar—in an otherwise treeless area can act as a powerful lure. The eagle will naturally gravitate to this high point to hunt, providing a consistent target for your lens.

Set your camera to a fast trigger speed (0.2s or less) and use a high-speed burst mode. These birds move with surprising speed when they strike or take flight, and a single shot often misses the best action. Because they are most active during the peak sun hours, ensure your camera has a high dynamic range (HDR) setting or adjust the exposure compensation to -0.5 to prevent the bright white feathers on their chest from being overexposed and losing detail in the African sun.

Similar Species

Species that look similar or are commonly confused with Beaudouin's Snake-Eagle.

Short-toed Snake-Eagle

Larger with more variable, often blotchy underparts rather than fine, neat barring.

Black-chested Snake-Eagle

Has a solid, dark chocolate-brown chest that contrasts sharply with a pure white, unbarred belly.

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Frequently Asked Questions

They are diurnal hunters, most active from mid-morning to late afternoon. They rely on the midday sun to warm the reptiles they hunt and use thermal air currents to soar while searching for prey.

These eagles are generally not backyard birds unless you have a very large rural property in the Sahel. You can encourage them by preserving old-growth acacia trees for perching and maintaining natural grass areas that support a healthy population of snakes and lizards.

Their diet consists primarily of snakes, including puff adders and cobras. They also supplement their diet with lizards, small rodents, and occasionally large ground-dwelling insects.

No, they are quite sensitive to human disturbance and habitat fragmentation. They are mostly found in rural savannas, protected parks, and the fringes of agricultural zones with low human density.

Beaudouin's is generally smaller and has much finer, more consistent horizontal barring across the entire underbelly, whereas the Short-toed Snake-Eagle often has more blotchy or sparse spotting.

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