title: Evolutionary biology: Why do birds engage in extra-pair copulation?
authors.affiliation: Edward Grey Institute, Department of Zoology, University of Oxford, Oxford OX1 3PS, UK. simon.griffith@zoology.oxford.ac.uk
authors.forename: Simon C
authors.initials: SC
authors.lastname: Griffith
authors.forename: Robert
authors.initials: R
authors.lastname: Montgomerie
mesh_terms: D000818:Animals; D001717:Birds / Q000235:genetics / Q000469:parasitology* / Q000502:physiology*; D003307:Copulation / Q000502:physiology*; D016172:DNA Fingerprinting; D005260:Female; D008297:Male; D018895:Microsatellite Repeats / Q000235:genetics; D009425:Nesting Behavior / Q000502:physiology; D015203:Reproducibility of Results; D012098:Reproduction / Q000235:genetics / Q000502:physiology*