title: Avian mobbing: byproduct mutualism not reciprocal altruism.
authors.forename: Andrew F
authors.initials: AF
authors.lastname: Russell
authors.forename: Jonathan
authors.initials: J
authors.lastname: Wright
mesh_terms: D000533:Altruism; D000818:Animals; D001522:Behavior, Animal / Q000502:physiology*; D001717:Birds / Q000502:physiology*; D013559:Symbiosis / Q000502:physiology*