Theriomorphism

The word zoomorphism derives from the Greek ζωον (zōon), meaning "animal", and μορφη (morphē), meaning "shape" or "form". It can mean:

But this does not portray anything exactly like zoomorphism. Holy Spirit is seen like a dove and He is not a dove. The Holy Spirit was seen (seemed to them) like a dove.

Bible does not teach zoomorphic appearance of God.

...
Wikipedia