Animals That Can Think

Bibi
Dogs, of course, have long been known to display all kinds of intelligent behaviors, but the most impressive, say experts in animal cognition, is the canine's ability to understand what pointing means. No other species understands that an extended finger indicates that there is something in that direction that is worthy of its attention. Bibi, a resident of New York, is an 8-year-old female pug.

• Inside the Minds of Animals