I'm afraid I didn't take a recording but it was a loud, repeated ascending 3-note song. Heard in woodland bordering wetland.
Thanks in advance for any help - I know it's not a lot to go on!
N
Crikey Nats, that really isn't much to go on. However, a loud three note call in woodland ...........a wild guess .... how about Nuthatch?
Play this audio clip
Sander Bot, XC35043. Accessible at www.xeno-canto.org/35043.
There's a Woodpecker drumming in the background.