These presumed Cantabrican Gulls (Larus
michahellis lusitanius) are by Dick Newell:
Dick's comments: "2nd winter/basic Cantabrican Gulls. These
birds could be overlooked as argenteus, or even argentatus,
in more northerly latitudes":
"this individual is unusual in that most 2nd winters have
a clearly 2-toned bill":
Third-basic/alternate:
