noun
herpetology
Scientific term for the study of reptiles and amphibians.
彼は大学で爬虫両生類学を専攻している。
He is majoring in herpetology at university.
Standard kanji spelling for herpetology, using 両生類 (amphibians).
Variant using 棲 (dwell) instead of 生; less common and may be considered non-standard.
Compound of 爬虫 (reptile), 両生類 (amphibian), and 学 (study). The kanji 爬 means 'crawl', 虫 means 'insect/creature', 両生類 literally 'both-life type', and 学 'learning'.