1. Animal Cognition: Aesop's Fable Flies from Fiction to Fact
Alex H. Taylor, Russell D. Gray 
Current Biology 
Volume 19, Issue 17, Pages R731-R732 (September 2009)
DOI: /j.cub
Copyright © 2009 Elsevier Ltd Terms and Conditions

2. Figure 1
In Aesop's fable of “The Crow and the Pitcher”, the thirsty crow drops stones into a jug of water in order to raise the level and ease its thirst. From [1].
Current Biology  , R731-R732DOI: ( /j.cub )
Copyright © 2009 Elsevier Ltd Terms and Conditions