Shelduck
/ˈʃeldʌk/
Definition 1 of 1
Pro Tip 1/3Visual Distinction
Shelducks are noted for their vivid plumage compared to regular ducks, helping identification. 
The shelduck stood out against the mallards with its bold colors.
Pro Tip 2/3Nesting Habitats
Unlike typical ducks, shelducks often nest in burrows, old buildings, or tree cavities. 
We found a shelduck's nest in the hollow of an old tree.
Pro Tip 3/3Species Variations
Know specific types like common, Australian, and Raja shelducks to discuss biodiversity. 
On the lake, a pair of common shelducks swam peacefully.