The night has eyes

I'm being guarded at night. By a female tawny owl (strix aluco) no less. She's been making enough noise outside the window to wake the dead. I'm not letting down the blind, I might frighten it away. How I wish Dr Livingstone was here to hear it, he is really keen on the winged little predators. Mouser not so, as they're eating all of its favourite food.
They're going to have to battle it out who's on the top of the food pyramid.