“No distinction in kind rather than degree between ourselves and the chimps? No distinction? Seriously, folks? Here is a simple operational test: the chimpanzees invariably are the one behind the bars of their cages.”
“She had felt an unexpected spasm of concern for the little creatures in the cage. She took a duster down to the gate and draped it over the cage. It would protect the inmates from the cold. (It would also disguise the cage a little.) ‘You know how to look after these gerbil-things?’ Mrs Sparrow asked. ‘Oh, yes! We had gerbils once. We had a gerbil farm.‘”
“Sid Parker crouched on the floor, in front of a cage in which two mouse-like creatures had frozen into stillness on the instant. One had been working a little treadmill fastened to the inside of a cage wall. The other had been gnawing at one of the bars of the cage.”