Birds diurnal

Whooper Swan

Cygnus cygnus

The Whooper Swan is a magnificent winter visitor, recognizable by its straight, slender neck and striking yellow-and-black bill. These powerful migrants bring a sense of wildness and a haunting bugle call to northern wetlands.

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Quick Identification

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Size

Length: 140–165 cm (55–65 in); Wingspan: 205–275 cm (81–108 in); Weight: 7–14 kg (15–31 lbs)

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Colors

Adults are entirely white; juveniles are smoky grey-brown. Bill is black with a large, wedge-shaped yellow patch.

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Key Features

Large yellow patch on the bill extending past the nostril in a pointed shape
Long, slender neck usually held straight rather than curved
Large, heavy body with a relatively flat-topped head
Loud, bugling trumpeting call often heard in flight

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6-9 AM and 3-6 PM

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Season October-March

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Diet Primarily herbivorous, eating aquatic plants, roots, and tubers in wetlands, as well as grazing on grass, grain, and leftover crops like potatoes in agricultural fields.

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Habitat Lakes, marshes, estuaries, and flooded coastal fields; frequently found in rural agricultural landscapes during winter months.

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Behavior

Whooper Swans are highly social and vocal birds, best known for their powerful, bugle-like calls that can be heard from miles away. Unlike the more common Mute Swan, Whoopers are migratory, spending their summers in the subarctic and traveling south to temperate wetlands and agricultural fields for the winter. They are often seen in tight-knit family groups, with parents and their grey-tinted offspring remaining together throughout the first winter.

These swans are generally more cautious and wilder than urban-dwelling swans, preferring open spaces where they can spot predators from a distance. In the winter, they spend much of their time foraging in flooded fields or shallow lakes. They perform elaborate social displays, including synchronized head-bobbing and wing-shaking, which reinforce pair bonds and communicate status within the larger flock.

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Camera Tips

To capture high-quality footage of Whooper Swans, camera placement is everything. These birds are tall and carry their heads high, so position your camera on a bank or a sturdy stake about 2 to 3 feet off the ground. If you are monitoring a water's edge, angle the camera slightly upward to account for their height. Because they are easily spooked by unusual objects, use natural camouflage like reeds or tall grass to break up the silhouette of your camera housing.

Exposure settings are critical when filming Whooper Swans due to their brilliant white plumage. On bright days, white feathers reflect a massive amount of light, which can cause the image to 'blow out' and lose all detail. If your camera allows for exposure compensation, set it to -1.0. If not, try to position the camera so the sun is behind it, providing direct, even light during the early morning 'golden hour' when the swans are most active and the light is softest.

Identify 'staging areas' for the best results. Look for muddy banks with large webbed footprints or areas of flattened grass near water bodies where the swans gather to preen and rest. These spots provide much better opportunities for behavior shots—such as wing stretching or social interactions—compared to a bird simply swimming past. If using a trail camera, a 20-second video clip is preferred over still photos to capture their unique 'whooping' vocalizations and the social dynamics of the family group.

Similar Species

Species that look similar or are commonly confused with Whooper Swan.

Mute Swan

Has an orange bill with a black basal knob and typically holds its neck in a curved shape.

Bewick's Swan

Smaller overall with a shorter neck and a smaller, more rounded yellow patch on the bill that does not extend past the nostril.

Trumpeter Swan

The North American counterpart; it is larger and has an almost entirely black bill with very little or no yellow.

Frequently Asked Questions

Whooper Swans are diurnal, meaning they are active during the day. You will see the highest levels of activity at dawn and dusk when they move between their roosting sites on the water and their feeding grounds in nearby fields.

Whooper Swans are large, wild birds that require significant space. They are unlikely to visit a standard backyard unless it borders a large pond or a farm field. Protecting local wetlands and leaving spilled grain in agricultural fields are the best ways to support them.

They primarily eat vegetation. In the water, they reach down for aquatic plants and roots; on land, they graze on grass and agricultural leftovers like wheat, barley, and even harvested potatoes.

They are less common in suburban parks than Mute Swans. Whooper Swans prefer rural, open landscapes and large, quiet bodies of water where they can avoid human disturbance.

Look at the bill: Whooper Swans have a yellow-and-black bill with no knob, while Mute Swans have an orange bill with a prominent black knob. Whooper Swans also hold their necks very straight, whereas Mute Swans often hold theirs in an 'S' curve.

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