Blue-Footed Boobies: Sibling Conflict & Sexual Infidelity on a Tropical Island

In Blue-Footed Boobies, Hugh Drummond presents a lifetime field study of one of the planet's most charismatic and observable birds, focused on two themes of human relevance: aggressive competition between siblings and monogamous pair-bonding combined with frequent infidelity. In an account peppered with research anecdotes, he immerses readers in a bustling blue-footed booby colony where social manipulation and life-and-death dramas are the stuff of family life. Here, dominant elder chicks prefer to bully their siblings into abject submission rather than killing them and younger siblings' susceptibility to subordination is an evolved ability. The narrative expands to survey the colorful strategies used by young birds and mammals to compete with siblings ruthlessly, with restraint or with courtly manners, scrutinize the role of parents in sibling conflict, and assess the lifetime impacts of bullying on those that survive. Next, a compelling eye-witness account of monogamous...