no sexual dimorphism(California, USA; 2008-11-23)


Ross's Goose
Chen rossii

Native Range: North America

Notes: closely related and very similar in appearance to Snow Goose, with which it also hybridizes; told from Snow Goose by its slightly smaller body size and especially by its smaller and differently-shaped bil; both species nest on Arctic tundra.

black wing tips, which are evident in flight (California, USA; 2008-11-23)
standing beside Snow Goose; note small bill (California, USA; 2007-02-05)

head shot; bluish base of small pinkish bill (California, USA; 2008-11-23)