title: When kids just aren't worth it: Cuckoldry and parental care.
authors.affiliation: Ian Owens is at the Institute of Zoology, Zoological Society of London, Regent's Park, London, UK NW1 4RY; The Galton Laboratory, Dept of Genetics and Biometry, 4 Stephenson Way, University College London, London, UK NW1 2HE.
authors.forename: I P
authors.initials: IP
authors.lastname: Owens