Is it possible the large brown gull is Black-backed (Lesser or Great)?
Joey Angstman Greeley CO -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. To unsubscribe from this group and stop receiving emails from it, send an email to cobirds+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/cobirds/02ab52e4-47ac-4387-988b-c91047265e16%40googlegroups.com.