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The annual testosterone profile in cooperatively breeding superb fairy-wrens, Malurus cyaneus , reflects their extreme infidelity

BiologyBreeding BehaviorReproductive SuccessFertilityFitnessNatural SciencesEvolutionary BiologyMating PsychologyMalurus CyaneusSexual SelectionReproductive BiologyAnnual Testosterone ProfilePublic HealthReproduction ResponseAnimal BehaviorExtreme InfidelityReproductive Endocrinology