Black plumage; white bill and forehead shield; red eyes; greenish legs; distinctive lobed toes.
Dives occasionally. Runs on water on take-off.
Vegetation, eggs, and small animals.
Common winter visitor; rare summer breeder. Occurs in artificial wetlands, including Al Wathba Wetland Reserve in Abu Dhabi, Al Warsan Lake in Dubai, and Zakher Lake in Al Ain.