A practical guide to the study of social relationships

J Silk, D Cheney, R Seyfarth - … Anthropology: Issues, News …, 2013 - Wiley Online Library
Behavioral ecologists have devoted considerable effort to identifying the sources of variation
in individual reproductive success. Much of this work has focused on the characteristics of …

The past, present and future of reproductive skew theory and experiments

P Nonacs, R Hager - Biological Reviews, 2011 - Wiley Online Library
A major evolutionary question is how reproductive sharing arises in cooperatively breeding
species despite the inherent reproductive conflicts in social groups. Reproductive skew …

Costly reproductive competition between females in a monogamous cooperatively breeding bird

MJ Nelson-Flower, PAR Hockey… - … of the Royal …, 2013 - royalsocietypublishing.org
In many cooperatively breeding societies, only a few socially dominant individuals in a
group breed, reproductive skew is high, and reproductive conflict is common. Surprisingly …

Intra-sexual selection in cooperative mammals and birds: why are females not bigger and better armed?

AJ Young, NC Bennett - Philosophical Transactions of …, 2013 - royalsocietypublishing.org
In cooperatively breeding mammals and birds, intra-sexual reproductive competition among
females may often render variance in reproductive success higher among females than …

Oxidative status and social dominance in a wild cooperative breeder

DL Cram, JD Blount, AJ Young - Functional Ecology, 2015 - Wiley Online Library
Oxidative stress has been proposed as a key mediator of life‐history trade‐offs, yet the
social factors that affect patterns of oxidative status amongst individuals in animal societies …

Age-and sex-dependent variation in relatedness corresponds to reproductive skew, territory inheritance, and workload in cooperatively breeding cichlids

D Josi, D Heg, T Takeyama, D Bonfils, DA Konovalov… - …, 2021 - academic.oup.com
Kin selection plays a major role in the evolution of cooperative systems. However, many
social species exhibit complex within-group relatedness structures, where kin selection …

Kinship and incest avoidance drive patterns of reproductive skew in cooperatively breeding birds

C Riehl - The American Naturalist, 2017 - journals.uchicago.edu
Social animals vary in how reproduction is divided among group members, ranging from
monopolization by a dominant pair (high skew) to equal sharing by cobreeders (low skew) …

Complete reproductive skew within white-browed sparrow weaver groups despite outbreeding opportunities for subordinates of both sexes

XA Harrison, JE York, DL Cram, MC Hares… - Behavioral Ecology and …, 2013 - Springer
The distribution of reproductive success within societies is a key determinant of the
outcomes of social evolution. Attempts to explain social diversity, therefore, require that we …

The evolution of delayed dispersal and different routes to breeding in social birds

SA Kingma, K Bebbington, N Teunissen… - Advances in the Study of …, 2021 - Elsevier
Many animals live in stable groups, where sexually mature individuals delay dispersal and
stay as nonbreeding subordinates, seemingly counter to their own evolutionary interests …

Sex differences in the drivers of reproductive skew in a cooperative breeder

MJ Nelson‐Flower, TP Flower, AR Ridley - Molecular Ecology, 2018 - Wiley Online Library
Many cooperatively breeding societies are characterized by high reproductive skew, such
that some socially dominant individuals breed, while socially subordinate individuals …