Cognitive performance linked to longer lifespan in wild primates

Cognitive abilities not only vary among different species but also among individuals within the same species. It is expected that smarter individuals live longer, as they are likely to make better decisions, regarding habitat ...

Competition favours shy tits

Different personalities are maintained in the wild mainly because of changes in density. This is what researchers of the Max Planck Institute for Ornithology in Seewiesen and colleagues of the University Groningen found out ...