What If The Labour Party Got Rid Of...
Politics1 min ago
No best answer has yet been selected by macjillifer. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Another possibility is that he's attacking his own reflection believing it to be an intruder - another bird trying to muscle in on his territory. Even though it's early in the year the Blue Tits have been looking around for the best nesting sites since the middle of January so all competition has to be dealt with swiftly.
The only way to prevent this happening again is to buy a silhouette of a hawk or an owl from the RSPB or similar outlet and attach it to your window.