If you think you know your birds, or you'd like to brush up on your bird knowledge, watch this birdsong video quiz.
In case you're wondering, the bird above is a palm warbler, the bird in silhouette in the video is a raven - and neither is one of the answers! Nor are the locations a clue. It's all down to you...
Watch the video, and let us know how you did below (but please don't give away the answers)...











