Ring-billed Gull
Larus delawarensis
 (L 17.5" WS 48" Wt 1.1 lb)
Shadow Cliffs
Pleasanton, CA
27Dec2008
Most will nest in the interior near
fresh water far from the coast.
Point Reyes, CA
13Jun2012
Juveniles
Black ring on bill distinctive
from other gulls which may
have red or black spots on
the bill.