“... Although she carried on most of her research in the northeastern United States, she spent the summer of 1926 working in {{w|British Guiana}} at the Tropical Laboratory in Kartabo.Although limnology was her special subject—on which wrote a useful book, Field Book of Ponds and Streams (1930)—Morgan was also interested in many other facets of zoology, particularly hibernating animals. Her Field Book of Animals in Winter (1939) reflected this interest. In 1949 the {{w|Encyclopædia Britannica}} made it into an educational film. She was also interested in conservation and ecology..”