Ethologist

Part of speech: noun

Definitions

1. A scientist who explores the innate behaviors of animals within their ecosystems
2. A researcher who investigates how animals act in natural settings and the patterns of their behavior
3. An expert who studies the natural conduct of different species and the causes behind their actions

Etymology: Ethologist is a relatively recent coinage, built from "ethology" plus the agent suffix "-ist," which marks a person who practises or specialises in something. The suffix has a long lineage: it descends from Ancient Greek "-istēs," which turned verbs and nouns into names for practitioners, and it reached English by way of Latin "-ista" and Old French "-iste." The same ending gives us words like "biologist" and "physicist," so the pattern is familiar even if the specific word is less so. The base word, "ethology," is the more revealing part. It comes from Greek "ēthos," meaning character or customary behaviour, combined with "-logia," the study of something. Ethology therefore names the study of how animals behave in their natural settings, and an ethologist is the person who carries it out. The sense of "character" in the root explains why the field focuses on habits and typical conduct rather than laboratory responses alone.

Synonyms: behaviorist, biologist, naturalist, zoologist