From Longman Dictionary of Contemporary Englishornithologistor‧ni‧thol‧o‧gist /ˌɔːnɪˈθɒlədʒɪst $ ˌɔːrnəˈθɑː-/ noun [countable] HBBsomeone who studies birds
Examples from the Corpus
ornithologist• Being primarily an ornithologist, most of these quotations refer to birds, but there are passing descriptive botanical records.• His own father had been an avid ornithologist, so his aunt had told him.• Tendency to migrate was again assessed by three independent ornithologists.• Jane thought she had gained the co-operation of a local ornithologist.• It draws people who come for a fun day out and it provides for the serious ornithologist.• Reasons for many of the statistics are a mystery to ornithologists.• The whole valley round St Nectan's Glen is teeming with bird life, a paradise for a young ornithologist. 