Many people may talk about the love of animals. Whether animals have emotions such as joy,love and heartbreak is still a（21）. It is generally thought that animals are just driven by their （22）. However, there is more than one example to suggest that they may display true love. A male goose Ado seemed to be in such a low（23）that he even did not have the desire to defend himself after the death of his mate. It was not until one year later that he（24） himself together and found another mate. A male parrot did not take a fine-feathered young female seriously; instead, he was （25） by an older female in extremely poor condition.（26）, the male gorilla Timmy rejected two female gorillas introduced to him and liked another gorilla Kate with an old age. Geese,swans, mandarin ducks, and coyotes are all symbols of marital faithfulness. Another example is that an otter Tibby was （27）by a man who got around with a walking stick and she showed great （28） for the man. （29）the death of her master, she made a habit of escaping and finding a man with a walking stick. Of course, there are different viewpoints about whether animals really experience emotions similar to human beings. It is still （30） and open to further research.