herpetologist
noun
- person engaged in herpetology
Wiktionary
noun
Etymology: From herpeto- (From Ancient Greek ἑρπετόν (herpetón, “creeping animal, reptile, especially a snake”)) + -logist.
- One who studies reptiles and amphibians; a reptile and amphibian specialist.
“Already, Griffith has observed several amphibian extinctions. Pretty much every herpetologist working out in the field has watched several.”