I guess I do, I notice I keep using them as a pedestal for things in my painting and don't know why! It made me think about it in my latest I am working on, I never really noticed How much I do it till now, Anyone else do stuff like this?
a shoulder has always been a perch since pirate days. the head is a second, the nose the third, according to the parakeet i had. anything honestly was a perch, but i drew the line with my teeth. she liked the sound of a chirp in there.
birds like shoulders in general. my budgie didn't, because her little feet got caught in the cloth, but fingers, and so forth were fine. my cocketiel liked the shoulder because it meant she could get a head massage by me or preen my hair, snuggle, take a crap, etc. if your lying down, then any part is suitable. but in general, it's a convenient shelf.
... never really thought about it. But now that I do, not really.
Instead, from a visual artist's standpoint, gluteus maximus, abdominals, and legs are my focal areas. On the other hand, from a romantic standpoint, shoulders are one of the best starting places for amorous activity -- too much information perhaps.
By the way, gluteus maximus is not in the FAA dictionary that ques you for misspelled words. Typing this, I kept getting the red underline, and I knew that I was correct.