vonHoldt B, DeCandia A, Heppenheimer E, Janowitz-Koch I, Shi R, Zhou H, German C, Brzeski K, Cassidy K, Stahler D, Sinsheimer J. Heritability of interpack aggression in a wild pedigreed population of North American grey wolves. Mol Ecol. 2020;29(10):1764–1775. PMCID: PMC7299816