Teschke, I. Abteilung Kempenaers, Max Planck Institut für Ornithologie, Max Planck Society;
Teschke, I., Cartmill, E. A., Stankewitz, S., & Tebbich, S. (2011). Sometimes tool use is not the key: no evidence for cognitive adaptive specializations in tool-using woodpecker finches. Animal Behaviour, 82(5), 945-956. doi:10.1016/j.anbehav.2011.07.032.