English

Noun

trochilidist ‎(plural trochilidists)

1. One who studies, or is versed in, the nature and habits of hummingbirds.
   • Gould

     This species […] has been a great puzzle to me, as it must be to every Trochilidist who studies the little green Humming-birds to which the generic name of Chlorostilbon has been applied.