A novel naturalistic environment with a touchscreen enables high-quality eye tracking for studying visual cognition in monkeys, and allows naive monkeys to learn complex tasks through a combination of social observation of trained monkeys and trial-and-error learning.
Yannick Becker, Nicolas Claidière ... Adrien Meguerditchian
A brain MRI imaging study on brain and manual lateralisation in 50 baboons shows that communicative manual gesturing is related to a Broca's area marker.
New immigrants triggered fast uptake of a novel food in groupmates, who obtained information about it through muzzle contacts, opening up new questions about the role of dispersers in information flow around a population.
Joaquín Calatayud, Magnus Neuman ... Martin Rosvall
Similarities in climatic niches of terrestrial vertebrates indicate the Earth's climate regions, which differ among groups and from previous plant-based climate classifications.
Adriano R Lameira, Madeleine E Hardus ... Marco Gamba
Wild male orangutans produce long calls composed of two hierarchical layers, wherein isochronous sub-pulses occur within isochronous pulses, indicating that recursive vocal combinatorics are not exclusive to language among hominids.
Heather E Machado, Alan O Bergland ... Dmitri A Petrov
Seasonal selection is a general feature of Drosophila melanogaster genetic variation, occurring in North American and European populations and affecting large proportions of the genome.