UK's Heaviest and Fastest Flying Duck: Eider Duck Facts 2026

The UK's heaviest and fastest flying duck is the eider, a remarkable sea duck known for its powerful flight and substantial weight. In this article, we explore the eider's characteristics, comparing it to other UK ducks and uncovering why it holds this title.

What Makes the Eider the UK's Heaviest and Fastest Flying Duck?

The eider (Somateria mollissima) is a large sea duck found along the UK's northern coasts. Males weigh between 2.2 and 3.0 kg, while females are slightly lighter at 1.9 to 2.4 kg. This makes the eider the heaviest duck species in the UK. In flight, eiders can reach speeds of up to 70 mph (113 km/h), especially when migrating or escaping predators, earning them the title of fastest flying duck in the UK.

Physical Characteristics of the Eider Duck

Eiders are stocky ducks with thick necks and large heads. Males sport striking black and white plumage with a pale green nape, while females are mottled brown. Their dense feathers and layer of down provide excellent insulation in cold waters. The eider's wings are relatively short but powerful, enabling rapid flight.

Habitat and Distribution

In the UK, eiders breed along the coasts of Scotland, northern England, and Northern Ireland. They nest on rocky shores and islands, often in colonies. Outside the breeding season, they can be seen around the entire UK coastline, though they are most common in the north.

How Does the Eider Compare to Other UK Ducks?

To put the eider's size and speed into perspective, here's a comparison with other common UK ducks:

As shown, the eider is significantly heavier and faster than most other UK ducks. Its speed is comparable to that of a speeding car on a motorway!

Key Takeaways About the Eider Duck

• Heaviest UK duck: Eiders can weigh up to 3 kg, making them the heaviest duck species in the UK.
• Fastest flying duck: They can fly at speeds of up to 70 mph, especially during migration.
• Habitat: Found mainly in coastal areas of Scotland, northern England, and Northern Ireland.
• Conservation: Eiders are protected under UK law, and their populations are monitored.

Frequently Asked Questions

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