BIRD INDEX
Mallard
Anas platyrhynchos

Start with these clues
Check for a broad flat bill; many adult males have a green head.
- Relative size
- Large
- Look around
- Pond, Lawn
- Region and season
- Widespread around freshwater; local numbers vary.
Compare carefully
Domestic ducks and hybrids can complicate plumage-based identification.
A photograph shows one individual and one view. Check several features, the date and a regional guide before settling on an identification.
Read the Audubon species account for fuller range, behavior and identification context.