Sometimes one or both of the duck's primary feathers are damaged. In severe cases, the wings can project at an angle greater than 60 degrees, making the wings appear similar to 'angel wings'. Ducks are most at risk of developing angel wing when they are between 8 to 12 weeks of age.Īn early indicator of angel wing is the visible drooping of one or both of the duck's wings. If Angel wing is corrected while the duck is still growing, it is often easily treatable however, if treatment is delayed or the condition is not recognized until the duck is older, then the deformity remains permanent. It occurs when the weight of the growing feathers causes rotation of the wing tip, as a result of excess force exerted on the underlying ligaments and muscles. Angel wing is a condition where flight feathers at the end of the bird's wings twist upwards.
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