Social withdrawal, failure to eat, failure to sleep, some vocalizations. But it's not only the, what I call the usual suspects, the big brained mammals like chimpanzees, cetaceans and elephants where we see this. My research is showing that we find it in animals as different as collared peccaries in Arizona, chickens, all sorts of domestic animals, the animals that we live with. And again, what I think is so important about this is not necessarily that the animals have the same awareness of death that we have, but that they feel this profound sense of