Common Shelduck vs Ferruginous Duck
Tadorna tadorna versus Aythya nyroca
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Common Shelduck
Ferruginous Duck
In short
The Common Shelduck and Ferruginous Duck are easily distinguished by their size and plumage. The Common Shelduck is larger with a striking black, white, and chestnut pattern, while the Ferruginous Duck is smaller and uniformly rich chestnut. Observing their behavior and preferred habitats can also aid identification.
Identification tips
- Look for the size difference: Common Shelduck is larger. 2. Note the plumage: Common Shelduck has a distinctive black, white, and chestnut pattern, while Ferruginous Duck is uniformly chestnut.
Size
The Common Shelduck is significantly larger than the Ferruginous Duck.
Plumage
The Common Shelduck has a bold black, white, and chestnut plumage, whereas the Ferruginous Duck is uniformly rich chestnut.