Tundra Swan

Identification

The tundra swan is the smallest of the Holarctic swans, ranging from 115–150 cm in length with a wingspan of 168–211 cm. Adult birds of both subspecies display entirely white plumage with black feet and a mostly black bill featuring a distinctive salmon-pink streak along the mouthline. The key differences between the two subspecies lie in their size and bill markings: Bewick's swan (the smaller subspecies found in the Palaearctic) has more yellow at the bill's base, while the whistling swan of the Nearctic is larger with a nearly all-black bill and only a small yellow spot at the base. Immature birds are white mixed with dull grey feathering, particularly on the head and neck, and possess dark grey feet with a pinkish hue. In waters rich with iron ions, such as bog lakes, the head and neck plumage can acquire a golden or rusty hue.

Range & Habitat

Tundra swans are highly migratory Holarctic birds with two distinct subspecies occupying different hemispheres. Bewick's swan inhabits the Palaearctic region, while the whistling swan is found in the Nearctic. These birds breed in the tundra of the Arctic and subarctic regions, favoring shallow pools, lakes, and rivers. During winter, they migrate to grassland and marshland habitats, often near coasts. Bewick's swan winters primarily in northwestern Europe and East Asia, whereas the whistling swan winters along the Pacific and Atlantic coasts of North America.

Behaviour & Diet

Tundra swans are notably vocal birds, producing high-pitched honking calls, particularly when foraging in flocks. The species is monogamous, with pairs nesting at elevated sites near open water. Clutches typically consist of three to five eggs, and cygnets grow rapidly enough to fledge before the onset of winter migration. Their diet is seasonal: in summer, they feed mainly on aquatic vegetation in their Arctic breeding grounds, while in winter they supplement their diet with leftover grain and crops in their southern wintering areas.

Best Time & Places to See It

The best opportunities to observe tundra swans depend on which subspecies and hemisphere you're in. Whistling swans can be seen wintering along the Pacific and Atlantic coasts of North America, while Bewick's swans winter in northwestern Europe and East Asia. Migration periods offer excellent viewing opportunities as large flocks gather in grassland and marshland habitats near coasts. The onset of autumn brings flocking behavior as birds prepare for winter migration, making this a particularly rewarding season for observation.

Photography Tips

Photographing tundra swans is best accomplished during winter months when birds congregate in accessible coastal and marshland habitats. The entirely white plumage of adults provides striking contrast against water and vegetation, though care should be taken with exposure settings to capture detail without blown highlights. The distinctive black-and-pink bill markings reward close-up photography. For those studying Bewick's swans, note that each individual's bill pattern is unique—a fascinating detail that scientists document through detailed drawings to identify individual birds. Capturing flocking behavior during foraging provides dynamic compositional opportunities, particularly when high-pitched honking calls accompany their movements.