Muscovy Duck (Cairina moschata)
- Narrow stretch of riparian corridor along the Rio Grande. Prefer sheltered water with trees.
- Rare and local in the western Valley along the Rio Grande, primarily in the stretch of river from about Santa Margarita Ranch to Falcon Dam. Occasionally found as far west as San Ygnacio and very rare east to Santa Ana NWR. Although birds can be found year-round, the best months are from April through November.