Desperate female spiders fight by different rules

In most animals the bigger, better fighter usually wins. But a new study of the jumping spider Phidippus clarus suggests that size and skill aren’t everything – what matters for Phidippus females is how badly they want to win. NESCent postdoc Carlos Botero and colleague Damian Elias tell the full story in the June 4 issue of Behavioral Ecology. [ more ]