Unusual Birdhouses Mystery Challenge

Today marks the final of the year for the quiz show "What? Where? When?" In honor of this occasion, I’ve decided to pose my last question of the year!

Dear experts,

While strolling through one of London’s parks, we came across these unusual birdhouses. Can you guess who they are made for?

Please refrain from using chat, Google, or any other hints🫶

Share your answers in the comments, and I’ll publish the correct one tomorrow at 7:00 PM Moscow time.

Looking forward to your thoughts!