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ANIMALSO
Breeding

Ground-Nesting Birds: 5 North American Species and Their Nests

Ground nests range from bare scrapes to grass-hidden depressions. Meet five North American birds and the habitats, substrates, and conservation issues that shape their nesting strategy.

By Animalso Team 8 min read

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Five very different North American birds nest directly on the ground: Killdeer, Ring-billed Gull, Upland Sandpiper, Willet, and Sanderling. Their nesting places range from bare gravel and sand to prairie grass, freshwater shorelines, saltmarshes, and Arctic tundra. Most make a shallow scrape rather than a raised structure, but the scrape may be lined, hidden by vegetation, or left almost completely exposed.

Ground nesting is a strategy, not a single habitat type. A beach is only one example. The species below show how the same basic approach works in open lots, grasslands, wetlands, freshwater colonies, and polar terrain.

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What a ground nest is—and why the setting matters

A ground nest is usually a shallow depression made in soil, sand, gravel, or vegetation. The bird may scratch the depression itself, use a pre-existing hollow, or add a small amount of lining. Some nests are conspicuous on bare ground; others disappear beneath overhanging grass. “Ground nesting” therefore describes where the nest sits, not what every nest looks like.

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The substrate and surrounding cover are important clues when you are trying to identify a nest. A scrape on a freshwater sandbar points to a different species from a scrape hidden in prairie grass, even though both nests are at ground level. The five examples here are drawn from North America and are not a complete list of the world’s ground-nesting birds.

Five ground-nesting birds at a glance

Species Typical setting and substrate Nest form and concealment Geographic setting
Killdeer Open areas; bare ground Shallow depression, typically about 3–3.5 inches across; small rocks, shells, sticks, or debris may be added after laying begins Open habitats across North America
Ring-billed Gull Low, sparsely vegetated terrain near freshwater; sandbars, rocky beaches, driftwood, bare rock, concrete, or soil Scrape with variable lining; colonies can contain 20 to tens of thousands of pairs Freshwater-associated colonies in North America
Upland Sandpiper Dense vegetation in native prairie, upland tundra flats, mountain meadows, or dry ungrazed grassland Scrape lined with grasses, leaves, and twigs, concealed by overhanging grass Prairie, meadow, and upland regions
Willet Coastal and inland wetlands; grass, sand, or bare ground Scrape with lining added; concealment varies with the vegetation around it Western birds use inland ponds and seasonal wetlands; eastern birds use saltmarshes, barrier islands, dunes, and beach vegetation
Sanderling Exposed Arctic ground with little or no vegetation; moist sites, clay, gravel, or stony ridges Often uses a pre-existing depression; may be nearly unlined Arctic breeding range

Species information is summarized from Cornell Lab of Ornithology accounts for the Killdeer, Ring-billed Gull, Upland Sandpiper, Willet, and Sanderling.

1. Killdeer: a shallow scrape in open ground

Where it nests

Killdeer choose open areas where a shallow depression can be made in bare ground. The site may look surprisingly ordinary because the nest is not a mound, cup, or woven structure. Its openness is part of the species’ nesting pattern: the surrounding ground provides the setting rather than dense cover.

What the nest looks like

Cornell describes a typical Killdeer nest as a depression about 3 to 3.5 inches across. After laying begins, the birds may add small objects such as rocks, shell, sticks, and other debris. Those materials can make the scrape blend with the surrounding surface while still leaving it largely exposed.

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How to recognize the situation

Look for a small, shallow hollow on open soil or gravel rather than a lined bowl. Because the nest can be surrounded by little vegetation, a person walking or driving through an open area may overlook it. A bird repeatedly using an exposed patch of ground, or an adult trying to draw attention away from one, is a reason to stop and give the area space.

For the species’ full life-history account and the population estimate discussed below, see Cornell’s Killdeer account.

2. Ring-billed Gull: freshwater colony scrapes

Where it nests

Ring-billed Gulls commonly nest near freshwater on low, sparsely vegetated terrain. Suitable sites can include sandbars, rocky beaches, driftwood-strewn ground, bare rock, concrete, and soil. This range of surfaces explains why a gull nest is not necessarily on a sandy ocean beach; inland freshwater settings are central to the species’ nesting choices.

Colony scale and nest form

The nest is a scrape with variable lining. Some pairs may have more material around the depression than others, depending on what is available at the site. Ring-billed Gulls can nest in colonies ranging from about 20 pairs to tens of thousands of pairs, so a single scrape may be part of a dense breeding landscape rather than an isolated nest.

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Why bare ground can be misleading

Concrete, rock, and compacted soil do not resemble a conventional “nesting habitat,” yet Cornell lists all of them among possible substrates. When gulls are nesting, the most useful clues are the low, open terrain, proximity to freshwater, and presence of multiple scrapes or territorial birds. Avoid entering a colony simply to inspect a nest; many nests may be spread across a surface that appears empty from a distance.

See the Ring-billed Gull life-history account for the habitat and colony description.

3. Upland Sandpiper: a hidden nest in prairie vegetation

Where it nests

Upland Sandpipers use dense vegetation in native prairie, upland tundra flats, mountain meadows, and dry, ungrazed grassland. This is the opposite of the stereotypical bare beach nest: the nest is still on the ground, but tall surrounding plants provide much of its protection.

Construction and concealment

The bird makes a scrape and may line it with grasses, leaves, and twigs. Overhanging grass can conceal the depression, so the nest may be invisible unless you are directly above it. A patch of undisturbed, dense grass is therefore more informative than an obvious circular bowl.

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Habitat context

Because Upland Sandpipers depend on open upland vegetation, a grassland that looks empty can still contain nesting birds. Staying on established paths and avoiding unnecessary movement through native prairie reduces the chance of stepping on a hidden scrape. Cornell’s cited survey shows the population as stable between 1966 and 2015, while also noting regional declines and loss of grassland habitat; those dates describe that historical survey period and should not be treated as a current continent-wide trend.

Read Cornell’s Upland Sandpiper account for the species’ nesting habitat and the dated population context.

4. Willet: one species, several wetland landscapes

Western and eastern nesting settings

Willets use both coastal and inland wetlands. Western birds nest inland near ponds and seasonal wetlands, often in native grassland. Eastern birds use saltmarshes, barrier islands, dunes, and vegetation on beaches. This geographic difference is why a Willet nest cannot be identified from “coast” alone: inland wetland grassland is also a characteristic setting.

The scrape

A Willet may place its scrape in grass, sand, or bare ground and add lining. The amount of cover depends on the immediate site. In a grassy wetland, vegetation may partly hide the nest; on sand or bare soil, the depression can be more exposed.

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Reading the landscape

When you find a likely Willet nesting area, consider the combination of wetland habitat and substrate rather than searching for a particular nest shape. A scrape beside a seasonal pond in native grassland and a scrape in coastal dune vegetation can represent the same species’ broad nesting strategy. The Willet life-history account describes these western and eastern settings.

5. Sanderling: an exposed Arctic depression

Where it nests

Sanderlings breed in Arctic habitats and place nests on exposed ground with little or no vegetation. Cornell describes nesting sites that range from moist, partly vegetated places to clay, gravel, and stony ridges. The nest may therefore occur on a surface that looks harsh and nearly barren, as well as in a damp area with some plant cover.

Using what is already there

Rather than building a prominent cup, a Sanderling often uses a pre-existing depression. This can make the nest especially difficult to distinguish from natural irregularities in gravel or clay. The lack of obvious lining is not evidence that a site is unused; the surrounding Arctic terrain is part of the camouflage.

Habitat and nest details are provided in Cornell’s Sanderling account.

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What does a ground-bird nest look like?

Across these five species, the most common form is a shallow scrape. Its appearance depends on the surface and on whether the bird adds lining:

  • Bare scrape: Killdeer and some Sanderling sites can look like a simple depression in open ground.
  • Object-strewn scrape: Killdeer may add rocks, shell, sticks, or debris after laying begins.
  • Variable-lined scrape: Ring-billed Gulls use whatever lining is available at the colony site.
  • Vegetation-lined and hidden scrape: Upland Sandpipers use grasses, leaves, and twigs, with overhanging grass concealing the nest.
  • Mixed-substrate scrape: Willets may nest in grass, sand, or bare ground and add lining.

Do not use “no visible nest” as proof that a site is empty. A pre-existing depression, dense grass, or a nearly bare Arctic surface can all hide the evidence.

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Ground nesting is not the same as beach nesting

These examples show why the terms should not be treated as synonyms. Ring-billed Gulls may use freshwater sandbars and even bare rock or concrete. Upland Sandpipers nest in prairie and mountain meadows. Willets use inland ponds as well as saltmarshes and dunes. Sanderlings breed on Arctic gravel, clay, and stony ridges. Only some of these settings are beaches, yet all support ground nests.

National Audubon Society’s Coastal Bird Stewardship Toolkit (April 2018) captures the surprise this causes: “Many people are surprised to learn that seabirds and shorebirds nest on the ground, often on the open, bare sand, shell- or pebble-strewn beaches, overwash fans, inlet spits, or islands.” The statement applies particularly to coastal examples, while the five species here demonstrate that the strategy extends well beyond the shore.

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Conservation: why a scrape on open ground needs space

Disturbance at coastal sites

Audubon’s 2018 toolkit notes that beach and island nesting sites can be limited in some regions. Recreation, dogs, beach driving, and other disturbance can make nesting or stopover habitat less suitable. When a nesting area is marked, keep your distance, obey local closures, keep dogs out of restricted areas, and do not drive across beach or island habitat where vehicles are prohibited. These actions reduce disturbance without requiring you to approach a nest closely.

Use species-specific trend figures carefully

Cornell reports a Killdeer population decline of 0.57% per year, about 26% cumulatively from 1966 to 2019, based on the North American Breeding Bird Survey. That estimate applies to Killdeer and to that survey period; it is not a trend for all ground-nesting birds.

The Upland Sandpiper figure cited above likewise covers a defined historical interval, 1966–2015, and includes a note about regional declines and grassland loss. A species can show a stable result in one survey period while particular regions or habitats are under pressure.

How to observe ground nests without harming them

  1. Watch from a distance. Use binoculars instead of walking toward a suspected scrape, especially in open sand, gravel, prairie, or wetland vegetation.
  2. Stay on durable routes. Paths, roads where permitted, and already disturbed ground are safer than crossing native grass, dunes, marsh edges, or colony surfaces.
  3. Follow signs and closures. Marked nesting areas are protected because repeated approaches can make a site less suitable.
  4. Control dogs and vehicles. Keep dogs out of restricted nesting areas and follow rules prohibiting beach driving or access to islands and sandbars.
  5. Leave objects and birds alone. A scrape may contain natural lining or small materials that are part of the nest; do not touch, move, or collect anything around it.
  6. Report unusual disturbance. If people or vehicles are entering a signed closure, contact the responsible park, refuge, or local authority rather than confronting them at the nest.

The safest identification often comes from the habitat, the bird’s behavior, and a distant view—not from locating the eggs themselves. Cornell’s All About Birds guide is a starting point for comparing species accounts.

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Bird ConservationBird Nestsground-nesting birdsKilldeerNorth American birdsRing-billed GullSanderlingUpland SandpiperWillet

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