ornithologist
Ornithologist (noun) means a person who studies birds, or whose work is ornithology. Example: “The ornithologist counted the nesting pairs on the cliff.”
How to use ornithologist
Learner’s notesIn plain EnglishSomeone who studies birds.
A fairly formal, professional term.
Ornithologist is about birds, while an entomologist studies insects.
Trace the full origin ↓Fill the gap
Can you complete this real example?
The _____ counted the nesting pairs on the cliff.
Etymology
The word is formed from ornithology with the ending -ist.