Facts about Bewick's Swan
- 07
Cygnets of this species fledge at approximately 75 days old, allowing young Bewick's Swans to join their parents on the southbound migration to European wintering grounds by autumn.
- 06
In 1960, the Wildfowl and Wetlands Trust established a long-term study of Bewick's Swans at Slimbridge in Gloucestershire, creating the world's longest continuous population monitoring of this species.
- 05
Bewick's Swans produce distinctive nasal calls that carry over 1 kilometer across wetlands, enabling flocks to maintain contact during migration and in low-visibility conditions.
- 04
Bewick's Swans weigh between 5.5 and 7.5 kilograms, making them substantially smaller than the closely related Whooper Swan which averages 9 to 10 kilograms.
- 03
During winter months, Bewick's Swans consume up to 4 kilograms of aquatic vegetation daily to maintain their body weight in cold European wetlands.
- 02
Approximately 25,000 Bewick's Swans migrate annually between their Arctic breeding grounds in Siberia and wintering sites across Western Europe and Asia.
- 01
Each Bewick's Swan possesses a unique yellow and black pattern on its bill, allowing researchers to identify individual birds across their 20-year lifespan.