Frank Gill References Frank Gill American ornithologist Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: bird/ Annotated classification…information compiled by American ornithologist Frank Gill (2002). Read More…information compiled by American ornithologist Frank Gill (2002). Read More