The Eurasian eagle-owl is a very large owl that leads a nocturnal lifestyle. Its overall coloration is yellowish-brown with dark brown patterns on the back. The wings are orange, with edges adorned with black spots. The upper side is accentuated by dark transverse lines, while the underside features irregular black stripes and spots.
The main background displays wide black stripes and thin transverse lines. The sides are light white, with an overall orange hue, and long, elongated black spots are present on the chest and back. Thin transverse lines are also noticeable along the walls. The beak and talons are black, while the legs and feet are uniformly colored.