title: Rosemary  and Peter Grant.
authors.forename: Rosemary
authors.initials: R
authors.lastname: Grant
authors.forename: Peter
authors.initials: P
authors.lastname: Grant
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001695:Biology / Q000266:history; D004484:Ecuador; D049673:History, 20th Century; D049674:History, 21st Century; D020308:Songbirds / Q000502:physiology*