This didn't cheer me up, because I remember poor All Ball. From Wikipedia:
"In December of that same year, All Ball escaped from Koko's cage and was hit and killed by a car. Later, Patterson claimed that when she signed to Koko that All Ball had gone, Koko signed “Bad, sad-bad” and “Frown cry-frown sad.” Patterson also reported later hearing Koko making a sound akin to human weeping."
"In December of that same year, All Ball escaped from Koko's cage and was hit and killed by a car. Later, Patterson claimed that when she signed to Koko that All Ball had gone, Koko signed “Bad, sad-bad” and “Frown cry-frown sad.” Patterson also reported later hearing Koko making a sound akin to human weeping."
You beat me to it. Seeing this reminds me of the fate of the puppy in Of Mice and Men.
I'm pretty sure it was a puppy, but it was Lennie's and George's dream to own a rabbit farm, I think.
And that did give me a bit of a pick-up; it's been one of those kind of weeks...