Larus heermanni Cassin. Heermann Gull
Abundant about the Bay at Balboa.
Mergus serrator Linn. Red-breasted Merganser
A female taken July 6, 1914. This is a very late record for this bird, since it leaves mostly in April. It was found resting on a sand spit in Balboa Bay.
Oidemia perspicillata (Linn.) Surf Scoter
Common along the coast from Laguna to Balboa.
Oidemia deglandi Bonaparte. White-winged Scoter
Occurring with the preceding species.
Erismatura jamaicensis (Gmelin). Ruddy Duck
Occurring at the tule lake in Laguna Canyon.