Zoologist n. : One who is well versed in zoology.

Example:
what is the difference between a Zoologist and an animal biologist?

Taxonomy
Zoology, zoologist, animals, free encyclopedia, Invertebrate Zoology, biology, animal behavior, History of zoology, animals and plants, Subfields, morphography, evolutionary biology, herpetology, evolution of animals, nineteenth century, founder, Chinese, search.

Defination from the web:
zoologist) William Flower (mammals) Edmund Brisco Ford (ecological genetics) Dian Fossey ... Nigel Marven (modern zoologist all fields but prefers prehistoric animals) Ernst Mayr (evolutionary biology) Fritz Müller (evolutionary biology, Müllerian mimicry, Brazil) ...