My fiancee has had ME/CFS for a while now, and because she could not, for the longest time, look at books/screens/… we put a feeding tray in front of her window so she could watch all the birds going by. Here are some images we took over the last half-year.
Hawfinch stretching to look into the room:
Blue Tits and Great Tits come by the most. Sometimes we get Marsh Tits:
A woodpecker:
I’d say the closest to ideal would be plants, but that doesn’t give a centralized place to watch them.