Trumpeter Swan vs Bewick's Swan

In short

Trumpeter Swans and Bewick's Swans can be distinguished by their bill patterns and vocalizations. The Trumpeter Swan has an all-black bill, while the Bewick's Swan features a yellow patch at the base of the bill. Trumpeter Swans produce a deep, trumpet-like call, whereas Bewick's Swans have a more musical, whistling call.

Identification tips

1. Bill pattern: Look for the all-black bill of the Trumpeter Swan versus the yellow patch on the Bewick's Swan's bill. 2. Size: Note the larger size of the Trumpeter Swan. 3. Vocalization: Listen for the trumpet-like call of the Trumpeter Swan compared to the whistling call of the Bewick's Swan. 4. Location: Consider the geographic range, as Trumpeter Swans are in North America and Bewick's Swans in Eurasia.

Size

Trumpeter Swans are generally larger and heavier than Bewick's Swans.

Plumage

Both species have white plumage, making color an unreliable distinguishing feature.

Behaviour

Both species exhibit similar behaviors typical of swans, such as swimming and foraging in water, and are not easily distinguished by behavior alone.

Habitat

Trumpeter Swans are often found in freshwater lakes and ponds in North America, while Bewick's Swans are more commonly associated with tundra and coastal habitats in Eurasia.

Voice

Trumpeter Swans have a deep, resonant trumpet-like call, whereas Bewick's Swans produce a more musical, whistling call.