Repetetive one note bird song

Hello, I was just wondering if someone could help identify what the bird is on the attachment. It has a repetitive (every second or so) one note song which can go on for hours at a time. Thanks for your help
Voice 010.m4a
  • A Chaffinch. This is sometimes known as the 'rain' call, supposedly it foretells rain (not sure if that's true!). I found a video of it on YouTube, filmed by a member of this very forum :)