Social complexity has been one of the recent emerging topics in the study of animal and
human societies, but the concept remains both poorly defined and understood. In this paper …

Since the first molecular study providing evidence for mating outside the pair bond in birds
over 30 years ago,> 500 studies have reported rates of extra‐pair paternity (EPP) in> 300 …

Social organisation in animals takes many forms. It includes assemblages of territorial
animals, dominance hierarchies and social groups, among other things. The basic tenet that …

The evolution of life on earth has been driven by a small number of major evolutionary
transitions. These transitions have been characterized by individuals that could previously …

Meta-analysis has changed the way researchers conduct literature reviews not only in
medical and social sciences but also in biological sciences. Meta-analysis in biological …

Parental care is a trait that shows tremendous diversity both within and across different
animal taxa, and is an important topic in evolutionary biology and behavioural ecology …

Phylogenetic comparative methods are important tools in biology, providing insights into the
way traits evolve. There are many technical resources describing how these methods work …

The occurrence of cooperation poses a problem for the biological and social sciences.
However, many aspects of the biological and social science literatures on this subject have …

Although much attention has been focused on explaining and describing the diversity of
social grou** patterns among primates,,, less effort has been devoted to understanding …

Comparative studies of social insects and birds show that the evolution of cooperative and
eusocial breeding systems has been confined to species where females mate completely or …