Why are some animals and birds chosen as vehicles of Gods and Goddesses?

[Smt. Anita Renkuntla asked: In a reply to one of the questions to Thrylokya, You stated that Fascination to God in animals is absent due to lack of growth of intelligence. But some animals like cows, dogs etc. are seen around Gods. Is it not fascination to God? Then, why are some animals and birds chosen as vehicles of Gods and Goddesses?]

Swami replied:- The vehicles of various deities chosen were great devotees existing in those forms by their miraculous powers. They are only birds and animals for our looks. They are actually high devotees willing to become the vehicles of God in various forms. The actual animals and birds are quite different from such great devotees. They are found near various forms of Gods just for the sake of some fruits etc., leftover after offering by the devotees. Certainly, the intelligence in them is underdeveloped.