11/02/2026
🦆 MUSCOVY MONDAY: What is angel wing?
Have you ever noticed a Muscovy whose wing feathers stick out to the side instead of resting flat against their body?
This is a condition commonly known as angel wing. 🪽
Angel wing is a developmental wing deformity seen in waterfowl, including Muscovies. As a young duck grows, the outer portion of the wing twists outward rather than resting in its normal position against the body. This gives the wing its recognizable “sticking out” appearance.
So, what causes it?
The answer is actually more complicated than you might thinkNutrition can play a role, particularly during the period when a young duck is growing very quickly. An unbalanced diet, rapid growth, and other nutritional factors have all been associated with the development of angel wing.
But diet isn’t the whole story.
Genetics can play a role too.🧬
Research suggests that there can be a hereditary component to angel wing, and the condition has been specifically documented in Muscovy ducks. Other factors may contribute as well, which is why there isn’t always one simple explanation for why an individual duck develops it.
Timing is also important.
When angel wing is first beginning to develop in a young, growing duckling, there can sometimes be a small window when the wing can be supported or wrapped into the correct position as it continues growing. Once the wing has finished developing and angel wing is fully established, however, it generally cannot be corrected.
Thankfully, angel wing itself is not painful. ❤️
It can affect a Muscovy’s ability to fly, and the feathers that stick outward may occasionally catch on things. Some ducks may also be treated differently by other members of their flock because they look different.
But many Muscovies with angel wing adapt incredibly well and can live perfectly happy lives. 🦆❤️
Every unusual-looking wing has a story, and sometimes learning what we’re seeing is the first step toward understanding these incredible ducks a little better.
Do you have a Muscovy with angel wing in your flock? We’d love to see your little angels in the comments! 🪽🦆❤️