With its haunting "hoot" echoing through moonlit forests, this nocturnal hunter is a master of stealth.

Visual Identification

Appearance

The Tawny Owl is a medium-sized owl with a robust build. Its plumage is mottled brown and grey, providing excellent camouflage against tree bark. The bird has a large, rounded head with dark eyes and no ear tufts. The facial disc is pale, almost off white.

Females are generally larger and heavier than males, but plumage is similar between the sexes. Juveniles resemble adults but have a more fluffy appearance and may show slightly paler markings.

Two colour morphs exist, grey or brown.

Size

Length

37cm to 43cm

Wingspan

94cm to 104cm

Weight

330g to 590g

Colours

Males and females have similar plumage

Primary Colour

Brown Grey

Secondary Colour

White Black

Beak Colour

Grey Yellow

Leg Colour

Grey

Habitat and Distribution

Habitats

Woodland

Garden

Wetland

Coastal

Urban

Farmland

Grassland

Desert

Tundra

Rainforest

Mountain

Savanna

Distribution

Tawny Owls inhabit a wide range of wooded habitats, including deciduous and mixed forests, parks, and large gardens. They are found across much of Europe and parts of Asia, extending from the UK to western Siberia and Iran.

In the UK, Tawny Owls are widespread and common, absent only from Ireland and some Scottish islands. They are non-migratory, maintaining their territories year-round.

Elevation Range

Up to 2,350 meters

Climate zones

Temperate, Mediterranean

Distribution Map

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Behaviour and Ecology

Bird Attributes

Tap the icon next to each attribute for more information.

Agility 85
Strength 60
Adaptability 75
Aggressiveness 70
Endurance 65

Diet

Tawny Owls are mostly carnivorous, opportunistic predators, primarily feeding on small mammals such as voles, mice, and shrews. They also consume birds, amphibians, snails, beetles, worms, and large insects.

These owls swallow their prey whole, later regurgitating pellets containing indigestible parts. Hunting occurs at night, when they glide silently over their territory or stand motionless on a favourite perch, watching and listening for their next meal.

Behaviour

Tawny Owls are strictly nocturnal, roosting during the day in dense foliage or tree cavities. They are highly territorial, with pairs defending their territory year-round. These owls hunt from perches, swooping down silently to catch prey on the ground or in mid-air.

Remember that Tawny Owls can be very aggressive, particularly during the breeding season. They will often attack unsuspecting creatures, including humans, that they consider a danger to themselves or their offspring, so take care and avoid the immediate vicinity of nests.

Vocalisation

The Tawny Owl's call is one of the most recognisable owl sounds in Europe. The male's hooting call is a resonant 'hoo-hoo-ooo', often answered by the female's sharper 'kee-wick'. During courtship, pairs may engage in duets, with the male hooting and the female responding.

This has often been interpreted as a ‘ta-wit ta-woo’ sound where, in fact, the female’s ‘kew – wick’ sound is made first (‘ta-wit’) followed by the male’s response of ‘hooo’ (erroneously described as being ‘ta-woo’).

This archetypal owl noise is often used in films to create a spooky atmosphere at night, and it has come to epitomise the genre even though the Tawny Owl may not be a resident of many of the portrayed locations.

Nesting & Breeding

Tawny Owls form monogamous pairs and typically breed once a year. The breeding season usually begins in February or March in the UK.

These owls nest in tree cavities, old crow nests, or large nest boxes. The female lays 2-4 white, round eggs, which she incubates for about 30 days while the male provides food.

Chicks fledge after 32-37 days but remain dependent on their parents for several months. Young owls disperse in autumn to establish their own territories.

Lifespan

Typical Lifespan Range 5 - years
Max Recorded Lifespan 22.4 years [1]
0
6
12
18
24

years

The Tawny Owl typically lives for 5 years, with a maximum recorded lifespan of 22.4 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 [2]

While the Tawny Owl is listed as Least Concern globally, it faces localised threats from habitat loss and fragmentation.

In the UK, conservation efforts focus on maintaining mature woodlands and providing nest boxes to supplement natural cavities.

Population Data

Global Population Estimate

1,400,000 - 2,400,000 mature individuals [3]

Global Population Trend

Stable[4]

Birdwatching Tips

  • Listen for their distinctive 'kee-wick' and 'hoo-hoo-ooo' calls at night
  • Look for them perched in dense foliage during the day
  • Search for pellets beneath regular roosting sites
  • In the UK, check mature woodlands and parks, especially near water

Additional Information

Quick Facts

Other names:

Brown Owl

Family:

Strigidae

Predators

Adult Tawny Owls have few natural predators, but nestlings and fledglings may fall prey to pine martens, goshawks, and eagle owls.

Did You Know?

  1. Tawny Owls have asymmetrically placed ears, which helps them pinpoint the exact location of sounds.
  2. They can turn their heads up to 270 degrees to scan their surroundings.
  3. In the UK, Tawny Owls are sometimes called 'brown owls' due to their colouration.

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References

  1. 2 3 4

    website: BirdLife International. 2016. Strix aluco. The IUCN Red List of Threatened Species 2016: e.T22725469A86871093.

    View source
  2. 1

    website, 2010: Fransson et al., EURING list of longevity records for European birds

    View source