From Woodpeckers to Apes: Competition Drives the Correlation between Brain Size and Group Size

A new study of woodpeckers adds nuance to the relationship between brain power and social interactions. … More From Woodpeckers to Apes: Competition Drives the Correlation between Brain Size and Group Size

Signaling Theory: How Prey Animals Communicate with their Predators

(A longer discussion of animal communication can be found in my book.) It’s no surprise that animals communicate with one another, but we normally think of animal communication as between members of their own species. It turns out that predators and their prey have evolved elaborate systems of communication as well. I am dangerous! A … More Signaling Theory: How Prey Animals Communicate with their Predators