title: Evolutionary biology: speciation undone.
authors.affiliation: Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey 08540, USA.
authors.forename: Peter R
authors.initials: PR
authors.lastname: Grant
authors.affiliation: Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey 08540, USA.
authors.forename: B Rosemary
authors.initials: BR
authors.lastname: Grant
mesh_terms: D000818:Animals; D005260:Female; D006824:Hybridization, Genetic; D008297:Male; D052586:Mating Preference, Animal; D020308:Songbirds / Q000235:genetics*