An adult and a subadult Steppe Gull (Larus
(c.?) barabensis). The upper bird looks to be an adult
(fairly bright yellow legs; strong white primary tips and a sizeable
P10 mirror), but it has a rather large (yet ragged) black subterminal
mark on the bill. The lower bird appears to not be a full adult
(dull, pale yellow legs; no sign of white on primaries - but tips
look very worn and there may have been white tips that have worn
away), and it has a larger, more clean black subterminal band
on the bill:
