Garden Warbler

It’s enough to make you wonder whether they’re up to something like the Home Alone schtick of the great tits (‘don’t even try, it’s heaving here already’).

To the human ear those trills are pretty but not necessarily that distinctive, among all the other season’s tweeting.

Happily, greenfinches also throw in a couple of giveaways.

The first is audible: a sudden drawn-out wheeze. Often this makes an abrupt change of tone in the middle of the trilling conversation, as in the recording above.

At other times it’s delivered repetitively, on its own, as in the recording below.