Causal understanding of water displacement by a crow

Using the Aesop s Fable paradigm to investigate causal understanding of water displacement by New Caledonian crows: Example trials for each of the six experiments. For more information: Jelbert SA, Taylor AH, Cheke LG, Clayton NS, Gray RD (2014) Using the Aesop s Fable Paradigm to Investigate Causal Understanding of Water Displacement by New Caledonian Crows. PLoS ONE 9(3): e92895.