While looking for the SLATY-BACKED GULL that we co-found on Sunday, Betsy
and I discovered a different adult SLATY-BACKED GULL. We had excellent
views of it in flight as it fed about 200 yards from us. This bird differed
from Sunday's bird by totally lacking black on the bill and also by lacking
While looking for the SLATY-BACKED GULL that we co-found on Sunday, Betsy
and I discovered a different adult SLATY-BACKED GULL. We had excellent
views of it in flight as it fed about 200 yards from us. This bird differed
from Sunday's bird by totally lacking black on the bill and also by lacking
