New Paper on Honest Signaling Theory

Today, our paper on the mechanisms that might maintain honesty of colorful animal ornaments was published in a themed issue on Animal Colouration in Philosophical Transactions.

Here is a link to the paper:

We review the most widely cited mechanism that is based on costly resource-tradeoffs and propose an alternative cost-free mechanism that has been used to explain vocal and behavioral displays, but not for coloration. We call it the shared pathway hypothesis