shh0068.pdf (Publisher version), 596KB
Taylor, A. H., Elliffe, D. M., Hunt, G. R., Emery, N. J., Clayton, N. S., & Gray, R. D. (2011). New Caledonian crows learn the functional properties of novel tool types. PLoS One, 6(12): e26887. doi:10.1371/journal.pone.0026887.