The Brachys seem to pick a corner and stick with it. All the others are poop-at-will. My versi somehow manages to spray poop out of the screened vents. Took me a minute to figure out what was on the shelf...
I keep a mix of arboreals and terrestrials. Most of my terrestrials have a burrow. The only ones where I've actually seen their poop is on the sides of the glass, I presume the others poop somewhere but I don't know where.
My avics, blue fang, and h. mac all poop on the side on the glass. Sunday is my glass cleaning wipe the poop day. My chaco, I have no idea, must be in the burrow because I never see her or the poop, she always stays hidden.
All of my T's are terrestrial except for an Avic. avic. My N. chromatus usually poops in the corner by its hide, and my OBT poops in its burrow/ on the cage wall. The rest poop where ever. I see it on the walls a lot, but never just hanging around in the sub.
In a half inch circular pattern at 35 degrees to the horizontal.
But I don't pay attention to it. The strangest one is my Aphonopelma behlei. She manages to get it all over the walls and, what's strangest to me, in the lip between lid and walls of her plastic cube. I don't know how she manages it. She's the only one who needs frequent cleaning.
My G. rosea 's Keep it tidy in the corner they usually go behind the artificial plant leaves in the corner. I am suprised I have not found a tiny roll of toilet paper mounted to a tree like in the charmin bear commercials
My T. stirmi likes to go all around her water dish sides and in it. (half coconut dish) I guess she is potty trained? :? Makes it oh so fun for daily cleaning.
I haven't noticed any guanine from my T. blondi or LP both are too small to tell.