First BTO Chiffchaff to Hungary

It's not every day we see recoveries of passerines in Hungary, as it's much more expected to see records of things like colour-ringed Mediterranean Gulls from there (almost 1000 to date!). In fact, there are just two records of BTO-ringed passerines found in Hungary and, unsurprisingly, both were Lesser Whitethroats. The other way round, the only Hungarian-ringed passerine found here was the