Birds Active during the day

Common Greenshank

Tringa nebularia

iNaturalist eBird Wikipedia

A tall, elegant wader known for its striking green legs and slightly upturned bill, the Common Greenshank is a master of the wetlands. Whether sprinting through shallows or sounding its famous 'tew-tew-tew' alarm, this bird is a highlight for any backyard camera enthusiast near the coast or country marshes.

0 Sightings

0 Habitats

Quick Identification

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Size

Length: 30–34 cm (12–13 in); Wingspan: 68–70 cm (27–27.5 in); Weight: 125–290 g (4.4–10.2 oz)

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Colors

Grey-brown upperparts with dark streaks, white underparts, and distinct greenish-grey legs. Bill is dark and slightly upturned.

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Key Features

Long, slightly upturned dark bill
Sturdy, greenish-grey legs
White wedge-shaped patch on the back visible in flight
Loud, three-note 'tew-tew-tew' call

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 6-10 AM, 3-6 PM

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Season August-October (Autumn migration) and March-May (Spring migration)

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Diet Carnivorous; primarily eats small fish, aquatic insects, crustaceans, and mollusks caught by sweeping its bill through water or pecking from the mud.

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Habitat Wetlands including estuaries, saltmarshes, mudflats, lake shores, and damp inland marshes.

public Geographic range

Where Does the Common Greenshank Live?

The Common Greenshank is a true globe-trotter of the Eastern Hemisphere, with a breeding range that stretches across the subarctic reaches of Northern Europe and Northern Asia, primarily in Russia and Scandinavia. During the winter months, these birds embark on incredible migrations, settling along the coastlines and inland wetlands of Africa, Southern Asia, and the entire Australian continent. In the United Kingdom and parts of Western Europe, they are most frequently seen as passage migrants, though a small number of pairs breed in the Scottish Highlands.

Basemap © OpenStreetMap contributors

8 Countries

43.5M km² Range

Least Concern Conservation

Russia AU Australia IN India ZA South Africa CN China GB United Kingdom NO Norway SE Sweden

Elevation range

0 m1,000 m2,000 m4,000 m

Sea level – 2,000 m

eco

iNaturalist / Verified observation data

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Behavior

The Common Greenshank is a spirited and wary wader, often referred to as the 'sentinel of the marsh' due to its habit of sounding a loud, ringing alarm call at the first sign of danger, alerting all other birds in the vicinity. They are highly active foragers, frequently seen dashing through shallow water or making sudden lunges to snatch up small fish. Unlike some of their more social cousins, Greenshanks are often found feeding alone or in very small, loose groups, maintaining a sense of individual territory even during migration.

During the breeding season, they occupy damp moorlands and bogs, but they are most commonly encountered by backyard observers during their long-distance migrations. They exhibit a characteristic 'teetering' motion, bobbing their tails while standing or walking. While they are generally shy around humans, they can become accustomed to observers who remain still and quiet near their preferred feeding spots.

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Camera Tips

Capturing a Common Greenshank on camera requires patience and strategic placement. These birds prefer the 'water’s edge'—the very thin margin where shallow water meets mud or sand. Position your camera just 6-10 inches above the ground, angled slightly upward. This low perspective not only captures the bird's distinctive green legs but also provides a beautiful reflection on the water's surface, which helps AI models identify the species more accurately.

Because Greenshanks are fast-moving hunters, set your camera to its fastest trigger speed. If your device supports 'burst mode' or high-frame-rate video, enable it. They often hunt by running and snapping, so a slow camera will likely only capture a blurred tail. Avoid using heavy artificial baits; instead, focus on areas with natural 'traps' like small tide pools or receding lake margins where small fish and fry become concentrated.

Lighting is crucial for identifying the subtle grey-and-white plumage. If possible, position your camera facing north or south to avoid the harsh glare of the sun reflecting off the water. Early morning light is particularly effective at highlighting the texture of their feathers. Since they are wary of movement, ensure your camera is well-camouflaged with local vegetation or a 'ghillie' wrap to prevent the bird from flushing before the sensor can trigger.

Similar Species

Species that look similar or are commonly confused with Common Greenshank.

Common Redshank

Has bright orange-red legs and a straight bill with a red base, whereas the Greenshank has green legs and a slightly upturned dark bill.

Marsh Sandpiper

Much smaller and more delicate with a very thin, needle-like straight bill compared to the Greenshank's sturdier, upturned bill.

Greater Yellowlegs

Found in the Americas; looks very similar but features bright yellow legs and a different vocalization pattern.

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Frequently Asked Questions

Common Greenshanks are primarily diurnal, meaning they are most active during daylight hours. They are particularly busy during the early morning and late afternoon when insects and small fish are most active in the shallows. However, in tidal areas, their activity is often dictated by the tide rather than the sun, as they feed most intensely when the receding tide exposes fresh mudflats.

Attracting a Greenshank requires a specific environment—typically a property bordering a wetland, lake, or estuary. You can make your shoreline more attractive by maintaining natural, muddy margins and avoiding the use of pesticides which can kill off the aquatic insects they feed on. They prefer open views where they can spot predators, so avoid tall, dense brush right at the water's edge.

Their diet is diverse but focused on small aquatic life. They are particularly fond of small fish (like sticklebacks or gobies), shrimp, crabs, and aquatic insects. They use a unique 'side-to-side' sweeping motion with their bill to detect prey in murky water, or they may perform high-speed dashes to chase down visible fish.

They are not typical 'garden birds' unless your garden includes or borders a significant body of water or marshland. They are common sights in suburban coastal areas or towns with large park lakes during their migration periods in spring and autumn.

The most obvious difference is leg color: Greenshanks have dull greenish-grey legs, while Redshanks have bright orange-red legs. Additionally, the Greenshank has a slightly upturned bill and lacks the broad white trailing edge on the wing that the Redshank displays during flight.

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