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Broad-billed Sandpiper

Calidris falcinellus

iNaturalist eBird Wikipedia

A master of the long-haul flight, the Broad-billed Sandpiper is easily identified by its unique 'kinked' bill and striking double-striped crown. This petite wanderer bridges the gap between the frozen Arctic tundra and the tropical sun-soaked mudflats of the south.

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Quick Identification

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Size

Length: 16–18 cm (6.3–7.1 in); Wingspan: 34–37 cm (13.4–14.6 in); Weight: 25–55 g (0.9–1.9 oz)

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Colors

Mottled dark brown and grey upperparts with white 'V' stripes; white underparts with dark streaking on the breast; blackish bill; dark olive or grey legs

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Key Features

Broad, flat bill with a distinct downward kink at the tip
Double-striped crown with a 'split' white eyebrow (supercilium)
Short-legged, stocky silhouette compared to other sandpipers
Dark mantle with prominent pale cream-colored stripes

When You’ll See Them

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Activity pattern Active day and night

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Peak hours Variable; dictated by tidal cycles, typically most active during falling tides.

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Season August–October (autumn migration) and April–May (spring migration)

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Diet Primarily feeds on small invertebrates, including aquatic insects, larvae, snails, worms, and small crustaceans. During the breeding season, they also consume seeds of marsh plants.

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Habitat Wet peat bogs and tundra during breeding; coastal mudflats, estuaries, salt marshes, and lagoons during migration and winter.

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Where Does the Broad-billed Sandpiper Live?

Native to the northern reaches of the Eastern Hemisphere, the Broad-billed Sandpiper begins its life in the subarctic bogs of Scandinavia and across the vast Siberian tundra of Russia. This species is an extraordinary long-distance migrant, traveling south to winter along the warm coastal fringes of East Africa, the Arabian Peninsula, India, Southeast Asia, and as far south as Australia. While it is rarely seen in the Americas, it is a staple of the East Atlantic, West Asian, and East Asian-Australasian flyways, making it a prized sighting for coastal birdwatchers across these regions.

Basemap © OpenStreetMap contributors

12 Countries

5.6M km² Range

Least Concern Conservation

Russia NO Norway SE Sweden Finland AU Australia IN India TH Thailand Vietnam Saudi Arabia Egypt ZA South Africa ID Indonesia

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iNaturalist / Verified observation data

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Behavior

The Broad-billed Sandpiper is a fascinating, somewhat understated wading bird known for its calm and approachable nature. Unlike some of its more skittish cousins, this species is often described as 'tame,' allowing observers to get relatively close before taking flight. They are highly migratory, traveling vast distances between their Arctic breeding grounds and their tropical wintering sites. During the breeding season, they are somewhat solitary or form small colonies, but they become much more social during migration and winter, often joining mixed-species flocks of other small shorebirds like Dunlins or Red-necked Stints.

When foraging, these birds exhibit a distinctive hunched posture, moving slowly across the mud with their heads down. They use a rhythmic 'stitching' motion with their bills to probe the soft substrate for food. They are most active around the tidal cycle in coastal areas, moving to higher ground or inland lagoons when the tide comes in. Despite their small size, they are incredibly hardy, navigating some of the world's most demanding migratory flyways twice a year.

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Camera Tips

Capturing the Broad-billed Sandpiper on camera requires a strategy focused on the mud. Because these birds are low-slung and feed with their heads down, your camera should be mounted as low to the ground as possible—ideally just a few inches above the mud line. A 'ground pod' or a low-profile stake mount is essential for that intimate, eye-level perspective that makes shorebird photography stand out. Position your camera near the edge of a receding tide line or by the margins of a shallow salt marsh pool where the mud is soft and moist.

Since these birds are smaller than a robin, trigger sensitivity is crucial. Set your AI-powered camera to its highest sensitivity or use a 'small animal' detection mode if available. Because they are often active in the bright, reflective environments of coastal mudflats, you may need to adjust your exposure compensation slightly downward to avoid blowing out the white highlights on their bellies. Fast shutter speeds are a must to freeze the motion of their rapid probing bill movements.

Timing is everything with this species. Use a tide chart to plan your camera placement; the two hours before and after low tide are peak foraging times. If you are in a backyard setting near a wetland, creating a 'soft' shoreline with shallow water and exposed mud can lure them in. Unlike many birds, they aren't attracted to traditional feeders, but they are attracted to healthy, pesticide-free mud rich in natural invertebrates. High-quality waterproof housing is non-negotiable, as salt spray and tidal mud can be punishing on equipment.

Similar Species

Species that look similar or are commonly confused with Broad-billed Sandpiper.

Dunlin

Dunlins are slightly larger with a more uniform downward curve to the bill and lack the 'split' eyebrow of the Broad-billed.

Curlew Sandpiper

Has much longer legs and a more dramatically curved, longer bill compared to the stocky Broad-billed.

Sanderling

Much paler in non-breeding plumage and typically found running on sandy beaches rather than muddy estuaries.

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Frequently Asked Questions

Broad-billed Sandpipers are cathemeral, meaning they are active during both day and night. However, their activity is primarily governed by the tides rather than the sun. They are most active when the tide is receding, exposing fresh mudflats full of invertebrates.

These birds are unlikely to visit a standard suburban backyard unless you live directly on the edge of a coastal estuary or a large wetland. To attract them, maintain a chemical-free shoreline with exposed mud and very shallow standing water (less than 2 inches deep).

Their diet consists of small invertebrates. They use their broad, flat bills to probe into soft mud for marine worms, small mollusks, crustaceans, and aquatic insect larvae.

They are rarely found in typical suburban environments. They are specialists of coastal mudflats and salt marshes. You are most likely to see them in these habitats during their migratory windows in autumn and spring.

Look at the head and the bill. The Broad-billed Sandpiper has a distinct 'split' white eyebrow (two pale lines) and a bill that is broader at the base with a sharper downward kink at the very tip, whereas the Dunlin has a more evenly curved bill and a single eyebrow.

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