Cerceta Gris vs Cerceta de Auckland

The Grey Teal and Auckland Islands Teal are both small dabbling ducks, but they can be distinguished by their habitat preferences and subtle plumage differences. The Grey Teal is more widespread and often found in mainland wetlands, while the Auckland Islands Teal is restricted to the subantarctic Auckland Islands.

Habitat: Check the location first; Grey Teal is on the mainland, while Auckland Islands Teal is on the Auckland Islands. Plumage: Look for darker, more uniform plumage in Auckland Islands Teal.

Both species have similar overall coloration, but the Auckland Islands Teal tends to have a darker and more uniform plumage compared to the Grey Teal.

Grey Teal is commonly found in a variety of wetland habitats on the mainland, whereas the Auckland Islands Teal is restricted to the subantarctic Auckland Islands, often in more remote and rugged environments.