Pictures: Do animals grieve?

When people feel sad seeing the features of sadness on their faces and features of this mournful drawn mouth and eyes and eyebrows and it is not difficult to understand the psychological person, depending on the features of the face only. In contrast, in the animal world, can not figure out a psychological cat or monkey, depending on the features of his face, but I think infect animals sadness has reflected this sadness on her face. Feeling sad when the animals may differ from what is the case in humans, and we can not say that animals do not have any kind of feelings, God Almighty created and given the Spirit are inevitably suffer and the likelihood of large they feel they grieve and rejoice at the time of the Ancestors stated that the charity would not to slaughter a sacrifice and another look at it. I leave you with pictures and an open field for an opinion.