Bay Owls and Barn Owls
Tyto alba
The Western Barn Owl is a medium-sized, pale owl recognized by its distinctive heart-shaped face. This strictly nocturnal bird of prey is known for its silent flight and eerie calls, which have contributed to its presence in folklore. It is one of the most widespread land birds globally, found across diverse habitats.
Typical adult measurements.
Individuals and populations vary.
01 / The telltale details
Start with shape and behavior. Then look for the smaller details.
A prominent, white, heart-shaped facial disc frames dark, relatively small eyes.
Upperparts are mottled grey or brown, while underparts range from white to tan, often with dark speckles. Males tend to be whiter with less speckling than females.
Long wings and a short, square tail are covered with white or light brown downy feathers.
Long, feathered legs are easily visible when the owl is perched or in flight.
02 / A place in the world
Western Barn Owls inhabit open areas such as agricultural fields, grasslands, marshes, and deserts. They adapt well to human-modified landscapes, often nesting in old buildings, barns, hollow trees, or cliff crevices.
This species is found across Europe, southwestern Asia, and Africa. It is one of the most widely distributed birds, absent only from polar and desert regions, Asia north of the Himalayas, most of Indonesia, and some Pacific Islands.
Most Western Barn Owls are sedentary residents, remaining in their breeding areas year-round. However, some individuals in the northern parts of their range may undertake migratory movements, particularly in response to harsh winter weather or food scarcity.
03 / Listen a little closer
Unlike many other owls, the Western Barn Owl does not hoot. Its most common vocalization is a drawn-out, rasping screech. Males may give a shrill, repetitive twitter during courtship, and both sexes can produce hissing and bill-snapping sounds when threatened.
04 / The life behind the feathers
Their diet primarily consists of small mammals, especially rodents like voles, mice, shrews, and rats. They may also consume small rabbits, bats, frogs, lizards, birds, and insects, depending on local availability.
Western Barn Owls are highly efficient nocturnal hunters, relying on exceptional low-light vision and acute hearing to locate prey. They quarter over open land or hunt from low perches, swallowing their prey whole.
Nests are typically found in hollow trees, old buildings, caves, or artificial nest boxes. The female incubates a clutch of 3 to 6 eggs, laid at two-day intervals, for 30 to 34 days. Nests are often reused.
These owls are primarily nocturnal, roosting in quiet, protected areas during the day. While generally solitary or found in pairs, they may nest in close proximity if food is abundant. They defend the area immediately around their nest.
One more reason to pay attention
The Western Barn Owl was formerly considered a subspecies group, but ornithologists have recently split the widespread Barn Owl into three distinct species: American, Eastern, and Western Barn Owls.
Barn Owls have the best ability of any animal tested to locate prey by sound alone, even in complete darkness.
Indigestible parts of their prey, such as bones and fur, are regurgitated as pellets, which scientists study to understand their diet.
05 / An eye for the difference
Distinguished by geographic range, as the American Barn Owl is found exclusively in the Americas.
Differentiated by geographic range, with the Eastern Barn Owl occurring from South Asia to Australia.
AI-assisted species research. Prepared September 2026. Details can vary across regions and populations.