Check out this article about how scientists tracked the flight patterns of bees. Turns out that bees are able to very quickly learn new, efficient routes to pollen-laden flowers.
http://blogs.scientificamerican.com/observations/2012/09/20/bumblebees-quickly-learn-best-paths-to-sweet-flowers/
http://blogs.scientificamerican.com/observations/2012/09/20/bumblebees-quickly-learn-best-paths-to-sweet-flowers/