Racks are basically just shelves with more holes in them than usual. And, like all shelves, racks make good places for cats to sleep.
Photo by Ed Clayton
Cats have a magnetic attraction to warm places.
Photo by Boojum
Rafters are like branches of a tree, but indoors. They are fun to climb up but there’s always the risk of getting stuck.
Photo by strikeael
Like a shadow, but with more colours.
Photo by nromagna
And where better to relax than in a sink?
Photo by aprillynn77
Rockets are useless toys made by humans. They go up, not across, so you can’t chase them.
Photo by Steve Jurvetson
Humans like these. They are prickly and taste bad.
Photo by Jiz
Rumps are big and warm and comfortable and hairy and would make good places to sleep if they were not attached to large moving objects.
Photo by Adam Smith