In a makeshift market for monkeys, foods were priced at different rates. Yale researchers found that monkeys were able to use coins and shop for bargains. More in Chapter 3, “Creative Intelligence.”

Starlings mumerations can be in the millions. Following their neighbors, they move as one morphing mass. Learn more in Chapter 9, “The Art of Synchrony”

Science is studying if cats can navigate following the electromagnetic field or through special receptors in the eyes. More in Chapter 5, “Methods of Navigation.”

Ants can move forward and backward at the same speed. When they need to find a new nest, scouts go out to explore potential new sites. When the scouts return, they gather in a small quorum to decide on the best new nest from the sites found. How are they communicating? They meet in silence. Find out more in Chapter on Quorum Sensing.