How to identify the Barn Owl

To correctly identify the Barn Owl (Tyto alba), check each of these features. Birds can be tricky: habit, habitat, and call often confirm a sighting that a single photo cannot.

Size at a glance

Length

32-40 cm (12.5-16 in)

Wingspan

100-125 cm (39-49 in)

Weight

250-550 g (8.8-19.4 oz)

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Upperparts are typically a mix of buff and orange-brown, finely speckled with grey and white. Underparts are pure white to buff, often with small dark spots, which can vary geographically. The facial disc is a distinctive heart-shape, pure white to pale buff, bordered by a rufous-brown rim.

2. 2

   Beak shape

   Shape and color of the bill: a key field mark.

   Small, hooked, and pale yellowish-horn to ivory in color, largely concealed by facial feathers.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Small, dark, and beady, set within the facial disc.

4. 4

   Leg color

   Leg and foot color.

   Long, feathered legs with pale greyish-brown tarsi and dark grey talons.

5. 5

   Distinguishing features

   Standout features that separate this species.

   Heart-shaped white facial disc, dark eyes, pale underparts, and silent, buoyant flight. The lack of ear tufts distinguishes it from many other owl species.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles resemble adults but may have softer, fluffier plumage and a less defined facial disc. They attain adult plumage after their first molt.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   No significant seasonal plumage changes. Plumage remains consistent year-round, though wear and tear can make feathers appear duller before molting.

8. 8

   Sexual dimorphism

   How males and females differ.

   Females are typically slightly larger and heavier than males, and often have more numerous and darker spots on their underparts and a richer rufous wash on the chest. Males tend to be whiter underneath with fewer spots.

Key field marks

• Facial Disc. Look for the unmistakable heart-shaped white or pale buff facial disc, which is a key identifier for all Tyto owls.
• Plumage Coloration. Observe the pale, often pure white or buffy underparts, contrasting with the golden-buff and grey mottled upperparts. The amount of spotting on the belly can vary but is a good general indicator.
• Eyes. Note the small, dark, beady eyes set within the pale facial disc. This contrasts with the larger, often yellow eyes of many other owl species.
• Flight Style. Watch for its silent, buoyant, and almost moth-like flight, often low over open fields. It appears to float effortlessly.
• Vocalization. Listen for its distinctive, drawn-out, hissing 'shreeee' or 'kreeee' screech, especially at night.
• Roosting/Nesting Sites. Check old barns, silos, abandoned buildings, tree hollows, and cliff ledges for roosting or nesting individuals, often indicated by whitewash (droppings) or pellets below.

Explore the Barn Owl