Oxyura jamaicensis (Gmelin, 1789) - The Ruddy Duck, males Shoreline Lake Boathouse Scenic Wildlife & Recreation Area, Mountain View, CA, November 19, 2017 © Donald H. Gudehus

Oxyura jamaicensis (Gmelin, 1789) - The Ruddy Duck, male Shoreline Lake Boathouse Scenic Wildlife & Recreation Area, Mountain View, CA, November 19, 2017 © Donald H. Gudehus

Oxyura jamaicensis (Gmelin, 1789) - The Ruddy Duck, female Shoreline Lake Boathouse Scenic Wildlife & Recreation Area, Mountain View, CA, March 5, 2018 © Donald H. Gudehus

Oxyura jamaicensis (Gmelin, 1789) - The Ruddy Duck, male Shoreline Lake Boathouse Scenic Wildlife & Recreation Area, Mountain View, CA, March 5, 2018 © Donald H. Gudehus

Oxyura jamaicensis (Gmelin, 1789) - The Ruddy Duck, 2 males Shoreline Lake Boathouse Scenic Wildlife & Recreation Area, Mountain View, CA, March 5, 2018 © Donald H. Gudehus