Ruddy Duck
Birds Active during the day

Ruddy Duck

Oxyura jamaicensis

Famous for its vibrant sky-blue bill and its habit of cocking its tail like a wren, the Ruddy Duck is the small, spunky star of North American wetlands.

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Quick Identification

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Size

Length: 35–43 cm (14–17 in); Wingspan: 56–62 cm (22–24 in); Weight: 310–795 g (11–28 oz)

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Colors

Breeding males feature a brilliant sky-blue bill, rich chestnut-red body, black cap, and white cheek patches. Females and non-breeding males are a mottled dusty brown with a dark cap and a single dark stripe across a pale cheek.

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Key Features

  • Long, stiff tail often held upright at an angle
  • Bright sky-blue bill on breeding males
  • Large white cheek patch contrasting with a black cap
  • Chunky, compact body with a thick, short neck
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When You’ll See Them

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Activity pattern Active during the day
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Peak hours 6-10 AM, 4-7 PM
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Season April-August (breeding plumage), October-November (migration)
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Diet Primarily omnivorous divers that feed on aquatic insect larvae (especially midges), small crustaceans, and mollusks, along with the seeds and green parts of aquatic plants.
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Habitat Prefer shallow freshwater wetlands, marshes, and prairie potholes with dense emergent vegetation for nesting; winters in brackish lagoons and protected coastal bays.

public Geographic range

Where Does the Ruddy Duck Live?

Native to North and Central America, the Ruddy Duck's core breeding range spans from the prairie pothole regions of southern Canada and the western United States down into Mexico. During the winter months, they migrate toward the ice-free coasts of the Atlantic, Pacific, and Gulf of Mexico, as well as throughout much of Central America. While they are a staple of American wetlands, an introduced population in the United Kingdom and parts of Europe has become a point of ecological concern due to their invasive nature and competition with native species.

Basemap © OpenStreetMap contributors

7 Countries
8.2M km² Range
Least Concern Conservation
US United States
Marginal
CA Canada
Marginal
MX Mexico
Marginal
GB United Kingdom
Marginal
ES Spain
Marginal
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iNaturalist / Verified observation data
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Behavior

The Ruddy Duck is a charismatic member of the 'stiff-tailed' duck group, best known for its comical and energetic courtship displays. During the spring, males perform a unique 'bubble display' where they rapidly beat their bills against their inflated necks, forcing air through their feathers to create a spray of bubbles and a low, drumming sound. Because their legs are positioned far back on their bodies for efficient diving, they are incredibly clumsy on land and rarely leave the water except to nest.

These ducks are proficient divers, disappearing under the surface with a silent, sleek motion to forage on the muddy bottoms of ponds. Unlike many other duck species that take flight when startled, Ruddy Ducks often prefer to dive or swim away into dense vegetation. They are generally social outside of the breeding season, forming small rafts on open water, though males can be quite aggressive toward other waterfowl when defending their territory.

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Camera Tips

To successfully capture Ruddy Ducks on camera, you must focus on the water's edge. Because these ducks sit very low in the water and almost never walk on land, a camera mounted high on a bank will likely only capture the tops of their heads. For the best angle, mount your camera just 6 to 12 inches above the water line. Using a post or a floating dock mount is ideal to get that intimate, eye-level perspective that makes the male's blue bill really pop.

Since Ruddy Ducks are divers and find their food on the bottom of the pond, traditional surface baits like corn or birdseed are rarely effective. Instead, place your camera near 'bottlenecks' in the habitat—such as small channels between patches of reeds or the edges of lily pad fields. They are creatures of habit and will often use the same protected alcoves to rest and preen during the midday hours.

For AI-powered cameras, set your trigger sensitivity to high. Ruddy Ducks are small and move with a low profile; if the camera is too far away, it might not register the motion. If your camera supports it, use 'Burst Mode' or high-speed video. The male's courtship behavior, including the bill-slapping and bubble-blowing, happens very quickly and is the 'holy grail' shot for backyard observers. Position your camera facing north or south to avoid lens flare from the rising or setting sun, which is when they are most active.

Frequently Asked Questions

Ruddy Ducks are primarily diurnal, meaning they are active during the day. You will see the most activity, including foraging and courtship displays, during the early morning (6-9 AM) and late afternoon (4-6 PM).
If you have a backyard pond or lake, the best way to attract Ruddy Ducks is to maintain healthy, native aquatic vegetation and ensure there are dense reeds or grasses along the shoreline for cover. They generally do not visit bird feeders as they are specialized divers.
They are bottom-feeders that dive to find midge larvae, small snails, crustaceans, and the seeds of pondweeds and sedges.
Yes, they are quite common in suburban retention ponds, golf course water hazards, and park lakes, provided there is enough vegetation for them to feel secure and a lack of heavy boat traffic.
Look for the tail; the Ruddy Duck is the only small duck that frequently holds its stiff tail feathers upright. During the summer, the male's bright blue bill is a dead giveaway, while the female's single dark cheek stripe distinguishes her from other female ducks like teals.

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