American Moorhen vs Hawaiian Coot

In short

The American Moorhen and Hawaiian Coot are both waterbirds but can be distinguished by their bill and frontal shield. The American Moorhen has a red bill with a yellow tip and a red frontal shield, while the Hawaiian Coot has a white bill and a white frontal shield. Both species are found in wetland habitats, but the Hawaiian Coot is endemic to the Hawaiian Islands.

Identification tips

• Bill and frontal shield: American Moorhen has a red bill with yellow tip and red shield; Hawaiian Coot has a white bill and shield.
• Location: Hawaiian Coot is only found in Hawaii, while American Moorhen is widespread in the U.S.
• Plumage: Both have dark bodies, but bill and shield color are key.
• Behavior: Look for territorial behavior in American Moorhen during breeding season.

Size

Both species are similar in size, typical of medium-sized waterbirds.

Plumage

The American Moorhen has a mostly dark body with a red bill and yellow tip, and a red frontal shield. The Hawaiian Coot is similar in overall dark plumage but has a white bill and frontal shield, which are key distinguishing features.

Behaviour

Both species are often seen swimming in wetlands and foraging for aquatic plants and invertebrates. The American Moorhen is more territorial during the breeding season but can be gregarious in winter.

Habitat

The American Moorhen is found in marshes, ponds, and rice fields across much of the United States, while the Hawaiian Coot is restricted to wetlands in the Hawaiian Islands.

Voice

Vocalizations are not well-documented for field differentiation, but both species have typical coot-like calls.