1、Be brought about by people happy
2、Add the delight living
3、 Transfer information
4、Make the world of colour and variety
5、 Maintain Nature an balance
6、 They are considered being a best friend of human being ,people is fond of fostering them making a pet
7、They are clever lovable and very docile,they play amuse others music by doing the different thing
8、They already exceed what their composes destroying to human being's contribution