5 med gulls at Torr this afternoon; 4 headed off towards Chew before dusk, the 5th remained to roost at Torr. Nothing else other note other than the tristis lookalike.
Bruce tristis giving collybita like calls seems to be coming the norm - both the birds at Chew at the moment sound similar to collybita. See http://www.surfbirds.com/forum/showthread.php?12555-Grey-Chiffchaff-using-abietinus-collybita-call for a discussion, and examples. Rich M