Description
Two sightings from off Pacific coast. Bill and legs black. Adult uniform plain gray with whitish hood; flight feathers blackish with secondaries tipped white, forming broad white trailing edge to wing; tail gray with black subterminal band and white tip. Imature grayish brown, feathers of mantle narrowly edged paler; tail with black subterminal band and buff tip.Habitat
Sandy beaches.Habits and Behavior
In its normal range a gull of sandy coastlines, sometimes feeding Sanderling like on ocean beaches, also offshore (but never far from land).They usually feed on small crustacean known as a "aphid sea".
Mammals 
Birds 
Crustacean 
Reptiles 
Insects 
Fish 
Arachnid 
Amphibian 
Invertebrates
Comments
wrote on Jan 23, 2018:
looks like a eagle