Birds Active during the day

Pied-billed Grebe

Podilymbus podiceps

iNaturalist eBird Wikipedia

The 'water witch' of the marsh, the Pied-billed Grebe is a charming, secretive diver known for its incredible ability to sink silently into the water like a submarine.

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Quick Identification

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Size

Length: 30–38 cm (12–15 in); Wingspan: 45–62 cm (18–24 in); Weight: 250–570 g (8.8–20.1 oz)

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Colors

Overall brownish-grey plumage with a darker back. During the breeding season, they feature a whitish bill with a distinct black vertical band and a black throat patch. In winter, the bill becomes plain and the throat turns white.

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Key Features

Thick, chicken-like bill with a dark band in summer
Blocky head and short, stout neck
Virtually tail-less appearance with white feathers under the rear
Often swims low in the water or 'sinks' slowly when alarmed

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 7-11 AM, 3-6 PM

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Season Year-round in southern regions; April-October in northern latitudes

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Diet Primarily consumes aquatic insects, small fish, and crustaceans—especially crayfish. They use their heavy, powerful bills to crush the shells of larger prey. Uniquely, they also eat their own feathers to line their stomachs, which helps protect their digestive tract from sharp fish bones.

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Habitat Found in freshwater ponds, marshes, sluggish rivers, and brackish estuaries, particularly those with thick emergent vegetation like cattails and rushes.

Behavior

The Pied-billed Grebe is a master of stealth on the water. Unlike many ducks that explode into flight when startled, this grebe prefers to sink slowly beneath the surface, often leaving only its eyes and nostrils visible like a tiny submarine. They are highly solitary and territorial, especially during the nesting season, when they build floating platforms of decaying vegetation anchored to reeds.

While they are technically capable of flight, they are rarely seen in the air, requiring a long running start across the water's surface to become airborne. Their social interactions are usually limited to their mate, though they can be quite vocal, producing a series of gulping 'cow-cow-cow' calls that resonate across marshes. They are rarely seen on land because their legs are positioned far back on their bodies, making them excellent swimmers but awkward walkers.

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Camera Tips

Capturing a Pied-billed Grebe on a backyard or trail camera requires access to a water feature, ideally a pond or marshy edge. Because these birds rarely leave the water, place your camera on a low-profile stake or floating mount just a few inches above the water line. Aim the lens toward the edges of reed beds or floating vegetation where they prefer to forage and nest. A wide-angle lens is helpful since they often swim close to the shore in search of insects.

Since they are sensitive to movement, ensure your camera is well-camouflaged with local vegetation. They aren't attracted to traditional birdseed, but a healthy ecosystem with plenty of aquatic life is the best lure. If you have a private pond, maintaining a 'wild' edge with cattails or rushes will encourage them to venture into the camera's field of view. They are most active during the early morning hours when the water is calm and insects are emerging.

Use a high shutter speed or a fast-trigger video mode to capture their quick diving actions. Since they can stay submerged for long periods, set your camera to take multiple photos or a longer video clip (20-30 seconds) to increase the chances of seeing them surface. Avoid using bright white flashes at night; while they are primarily diurnal, an infrared flash is less likely to startle them if they are resting near the shore.

Similar Species

Species that look similar or are commonly confused with Pied-billed Grebe.

Horned Grebe

Smaller with a thinner, more pointed bill; breeding plumage features striking yellow 'horns' (tufts) behind the eyes.

Eared Grebe

Features a thinner, slightly upturned bill and a more peaked head shape compared to the blocky head of the Pied-billed.

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Frequently Asked Questions

Pied-billed Grebes are diurnal, meaning they are active during the day. They are most frequently seen foraging in the early morning and late afternoon when water conditions are calm and aquatic insects are most active near the surface.

You cannot attract them with feeders. To see them, you need a pond or wetland with plenty of 'emergent vegetation' like cattails. Maintaining a healthy, chemical-free aquatic environment with plenty of small fish and dragonfly larvae is the best way to encourage them to stay.

They are opportunistic hunters that eat small fish, crustaceans (especially crayfish), and aquatic insects. They are famous for eating their own feathers, which creates a protective plug in their stomach to filter out sharp fish bones.

Yes, they are quite adaptable and can be found in suburban golf course ponds, drainage basins, and city parks, provided there is enough vegetation for them to hide in and build their floating nests.

Look at the bill: grebes have thick, pointed bills rather than the flat, broad bills of ducks. Also, grebes sit lower in the water and will often dive or 'sink' out of sight rather than flying away when approached.

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