THESAURUS
biologist
anatomist, animal physiologist, anthropologist, bacteriologist, biochemist, biometrist, biophysicist, botanist, conchologist, cytologist, ecologist, entomologist, ethologist, geneticist, helminthologist, herpetologist, ichthyologist, malacologist, mammalogist, natural scientist, naturalist, ophiologist, ornithologist, physiologist, protozoologist, taxidermist, zoo-ecologist, zoographer, zoologist, zoonomist, zoopathologist, zoophysicist, zootaxonomist