2024
DOI: 10.1111/aje.13277
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Multilevel sociality in the spotted hyaena: How to live in large groups without falling prey to the infertility trap

R. I. M. Dunbar

Abstract: Spotted hyaenas live in unusually large social groups for a carnivore. Since, all else equal, the ‘infertility trap’ (a negative relationship between fertility and the number of females in a group) limits social group sizes to ~5 reproductive females in mammals, hyaena must, like other very social species, have found a way to mitigate the stresses involved in order to do so. From a comparative analysis of data from 19 well‐studied Crocuta crocuta populations, I show (1) that the distribution of hyaena clan siz… Show more

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