Merlin is brilliant. Sometimes it mistakes things, but in general is vv accurate - so far as I can tell, anyway. Now and then it tells me it's heard a redwing or something, and I replay and think, Nah, that was me and the garden tools.
It doesn't ID our semi-feral local peacocks, or the nest of baby birds already shouting their heads off in next door's garden, but it picks up goldfinches and chaffinches and kestrels and so on.
And bloody autocarrot, yes, I meant kestrels plural, and nest not best, and redwing and not redoing.