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Bubbles Feathered Beauties

Quality, well cared for and very loved feathered beauties raised right

Ruddy Duck

Ruddy Ducks are compact, thick-necked waterfowl with seemingly oversized tails that they habitually hold upright. Breeding males are almost cartoonishly bold, with a sky-blue bill, shining white cheek patch, and gleaming chestnut body. They court females by beating their bill against their neck hard enough to create a swirl of bubbles in the water. This widespread duck breeds mostly in the prairie pothole region of North America and winters in wetlands throughout the U.S. and Mexico.

Look for Ruddy Ducks from fall through spring on open water, both inland and in protected coastal areas such as harbors and small bays. During the day, they often sleep with their heads tucked, and they gather in tight flocks. Because of this, these little divers often look like gray-brown or chestnut blobs with a long, rounded tail (for a duck, anyway) held up at an angle. In summer, look for them swimming and diving in wetlands of the prairie pothole region and the interior West. The male’s white cheek patch is often distinctive from great distances.

Our First Atlas text concluded with the sentence ‘There is no doubt that most of the Cheshire meres provide ideal breeding sites for the Ruddy Duck and have played an important part in its colonization of Britain’. Since then, they have spread further across the county and Ruddy Ducks have now bred on most of the county’s lowland waters. The ‘change’ map shows that in the last twenty years they have expanded into the Wirral and along the Mersey valley, although birds have been lost from many sites across the rest of Cheshire.


The submitted habitat codes show that nearly all birds were found on standing waters, mostly the larger ones, with some waterside vegetation in which to hide their nest. These are the last ducks to breed each year, with chicks seldom appearing before July, and broods hatching sometimes into early September. Males in the breeding season indulge in conspicuous display, but they are not territorial and many mate promiscuously without forming stable pair bonds with females. The typical size of their single clutch is 6-10 eggs, although observations at Woolston show that some Ruddy Ducks lay one or more eggs in another species’ nest, usually Tufted Duck or Pochard, but occasionally Mallard, leaving their offspring to be raised by another female. There can be large annual fluctuations in numbers of Ruddy Duck broods, often related to changes in water levels through the season: at Woolston only 5 broods were seen in 2004, 12 broods in 2005, and 10 broods in 2006.


It is impossible to discuss this species nowadays without mentioning ‘the cull’. The Ruddy Duck is closely related to the White-headed Duck Oxyura leucocephala, but their conservation status is very different: Ruddy Ducks are common and widespread across their native north America, with a population of half a million or more, but White-headed Ducks are endangered, with fewer than 15,000 birds spread across their range of Spain, north Africa and Asia. Measures to protect and restore habitats and ban hunting have helped the Spanish population to rise from 22 in 1977 to 2,500 in early 2003 but the critical threat to this species was identified as hybridisation with immigrant Ruddy Ducks from Britain.


A group of UK conservation organisations spent many years, starting in 1992, researching the issues and eventually concluded that the only solution was to eradicate the Ruddy Duck from Britain in order to prevent possible extinction of the White-headed Duck. This proposal to cull Ruddy Ducks, agreed by the UK Government in March 2003, aroused some impassioned debate amongst nature conservation and animal welfare organisations, and professional ornithologists and amateur birdwatchers, with journalists and economists pitching in, and even some political activists complaining that it is ‘racist’ to try to preserve a species. The UK Ruddy Duck eradication program started in autumn 2005. By mid-winter 2006/ 07, the UK population had been reduced to about 2,000 birds, just one-third of the level in January 2000.


The two species would not have met if Ruddy Ducks had not been introduced to waterfowl collections here, mainly by the Wildfowl and Wetlands Trust. Sir Peter Scott obviously had an inkling that they could cause problems, and it is worth quoting in full from his foreword to Lever (1977): ‘Having been carelessly responsible myself for allowing the North American Ruddy Duck to escape and build up to what seems like a small but viable population in England, I am in no position to pass judgment on others. To be sure the Ruddy Duck is decorative and apparently harmless but no one can know what insidious effect it may have on the ecological web. I really should not have allowed them to fly out into the countryside – although they look delightful in flight.’


Some observers have not submitted records to the annual county bird reports in protest at the cull, and it is not known if any have withheld records from this Atlas.

  • Ruddy Ducks lay big, white, pebbly-textured eggs—the largest of all duck eggs relative to body size. Energetically expensive to produce, the eggs hatch into well-developed ducklings that require only a short period of care.
  • The bright colors and odd behavior of male Ruddy Ducks drew attention from early naturalists, though they didn’t pull any punches. One 1926 account states, “Its intimate habits, its stupidity, its curious nesting customs and ludicrous courtship performance place it in a niche by itself…. Everything about this bird is interesting to the naturalist, but almost nothing about it is interesting to the sportsman.”
  • Pleistocene fossils of Ruddy Ducks, at least 11,000 years old, have been unearthed in Oregon, California, Virginia, Florida, and Illinois.
  • Ruddy Ducks are very aggressive toward each other and toward other species, especially during the breeding season. They are even known to chase rabbits feeding on the shore.
  • Though Ruddy Ducks are native to the Americas, one population became established in England after captive ducks escaped in 1952. This population grew to about 3,500 individuals by 1992, and now appears to be expanding into the Netherlands, France, Belgium, and Spain.
  • Ruddy Ducks get harassed by Horned Grebes, Pied-billed Grebes, and American Coots during the breeding season. The grebes sometimes attack Ruddy Ducks from below the water, a behavior known as “submarining.
  • The oldest Ruddy Duck on record was a male and at least 13 years, 7 months old. He was banded in British Columbia and 1951 and found in Oregon in 1964.

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