Short-eared Owl (Asio flammeus)

Quick Facts

Scientific Name: Asio flammeus
Family: Strigidae
Size: 34-42 cm (13-17 inches)
Wingspan: 95-110 cm (37-43 inches)
Weight: 206-475 g (7.3-16.8 oz)

Conservation Status

IUCN Status: Least Concern
UK Status: Amber List
Population Trend: Fluctuating but generally declining as a breeding species in the UK

Worldwide Distribution

The Short-eared Owl can be found in:

Breeding across northern Europe, Asia, and North America
Wintering throughout Europe, Asia, Africa, and the Americas
Year-round in some temperate regions including parts of Britain
Breeding populations in Scotland, northern England, Wales, and Ireland
Winter visitors to southern and eastern England
One of the world’s most widely distributed owl species

Spotting Difficulty Rating

🔍🔍🔍🔍 (4/5 – Challenging)

Nomadic behavior makes encounters unpredictable
Open habitat hunting makes them visible when present
Crepuscular activity requires specific timing
Population fluctuations affect local availability

Habitat and Behavior

The Short-eared Owl is Britain’s most visible owl species, a master of open landscapes with its distinctive moth-like flight and preference for hunting in broad daylight. Medium-sized and elegant, they display mottled brown and buff plumage with prominent dark patches around bright yellow eyes, creating an intense, almost fierce expression. Their “ear” tufts are so small they’re barely visible, giving them a more rounded head profile than their Long-eared cousins. In flight, their long, narrow wings show distinctive dark patches at the wrist and pale undersides with dark trailing edges.

These remarkable owls are creatures of open country – rough grassland, moorland, young forestry plantations, coastal dunes, saltmarshes, and agricultural land with minimal tree cover. Unlike most owl species, Short-eared Owls are primarily crepuscular and diurnal hunters, most active during the golden hours of dawn and dusk but frequently seen coursing low over fields in full daylight, especially during winter months and when feeding young.

Their hunting technique is distinctive and mesmerizing – a slow, wavering flight just meters above ground level, with wings held in a shallow V-shape as they quarter back and forth across their territory. They pause frequently to hover when prey is detected, using their exceptional hearing to pinpoint the exact location of small mammals moving through grass. Their flight can appear almost ghostly, silent and buoyant, with occasional deep wingbeats interspersed with gliding phases.

Short-eared Owls are vole specialists, with these small rodents comprising up to 90% of their diet during peak vole years. They also take mice, shrews, young rabbits, and occasionally small birds, frogs, and large insects. Their breeding success and local abundance are closely tied to vole population cycles, leading to dramatic fluctuations in numbers from year to year. During vole population crashes, they may travel hundreds of miles to find suitable feeding areas, exhibiting a nomadic lifestyle that makes them unpredictable but exciting to encounter.

Ground-nesting birds, they create simple scrapes lined with grass in areas of tall vegetation, often on islands or in the middle of extensive grassland areas to avoid ground predators. Males perform spectacular aerial displays during courtship, including wing-clapping flights and sky-dancing that can be visible from great distances.

Cultural History

The Short-eared Owl’s association with wild, open places has made it a symbol of untamed landscapes in British culture. Unlike woodland owls with their mysterious, nocturnal reputations, Short-eared Owls were often viewed more favorably by rural communities due to their daylight activity and obvious role as rodent controllers.

In Scottish Highland tradition, these owls were known as “cataface” or “woodcock owl,” the latter name reflecting their autumn arrival coinciding with woodcock migration. Gamekeepers and shepherds valued them as indicators of vole abundance, understanding that high owl numbers meant reduced grazing damage from rodent populations.

The species gained particular recognition during both World Wars when food production intensified and their pest control services became economically valuable. Agricultural workers noted that areas with Short-eared Owl populations had significantly fewer crop losses to voles and mice.

Ornithological literature from the Victorian era celebrates their “bold demeanor” and willingness to hunt in daylight, contrasting them favorably with the secretive nature of other owl species. Early bird photographers found them more cooperative subjects than nocturnal owls, leading to some of the first successful owl photography in Britain.

Fun Facts

👂 Their “short ears” are actually tiny feather tufts barely visible unless the bird is alarmed

🌍 They’re found on every continent except Antarctica and Australia – one of the most cosmopolitan owls

🎯 They can detect the heartbeat of a vole under snow from 30 meters away 🏠 They nest on the ground in simple scrapes, unlike most British owl species 📊 Their breeding success can vary by 1000% between good and poor vole years

✈️ Males perform wing-clapping courtship flights that can be heard over a kilometer away

🦉 They’re the only British owl that regularly migrates, with some traveling from Scandinavia

👁️ They can turn their heads 270 degrees to scan for prey while hovering

Best Places to Spot a Short-eared Owl in the UK

Elmley Marshes RSPB, Kent – reliable winter site
Wallasea Island RSPB, Essex – excellent winter viewing
Minsmere RSPB, Suffolk – regular winter visitors
Flow Country, Caithness and Sutherland – breeding habitat
Yorkshire Dales – hunting in Summer
Somerset Levels – winter roosts and hunting grounds
Norfolk Broads – winter visitors on grazing marshes
Scottish Borders – breeding areas in rough grassland

Recommended Viewing Tips

Best viewing 2-3 hours before sunset in Autumn and Winter
Scan low over open grassland and marshes with binoculars
Look for their distinctive bouncing, moth-like flight pattern
Check known roost sites where multiple birds may gather
Early morning can be productive, especially in Winter
They often hunt along field margins and drainage channels
Watch for their characteristic hovering behavior when hunting
Winter months offer most reliable viewing in southern England

Conservation Notes

Short-eared Owls face several conservation challenges:

Habitat loss through agricultural intensification and development
Afforestation of rough grassland reduces available hunting habitat
Disturbance at ground nest sites affects breeding success
Climate change may affect vole population cycles
Persecution still occurs in some areas despite legal protection
Maintaining extensive rough grassland is crucial for breeding populations
Sensitive timing of agricultural operations can protect nesting birds
International cooperation needed due to their migratory nature