Max Planck Institute for Ornithology 1 article published in JoVE Behavior The Innovation Arena: A Method for Comparing Innovative Problem-Solving Across Groups Theresa Rössler1,3, Berenika Mioduszewska1,4, Mark O’Hara1,2, Ludwig Huber1, Dewi M. Prawiradilaga2, Alice M. I. Auersperg1 1Comparative Cognition, Messerli Research Institute, University of Veterinary Medicine Vienna, University of Vienna, Medical University of Vienna, 2Research Center for Biology, National Research and Innovation Agency (BRIN), 3Department of Cognitive Biology, University of Vienna, 4Max Planck Institute for Ornithology The Innovation Arena is a novel comparative method for studying technical innovation rate per time unit in animals. It is composed of 20 different problem-solving tasks, which are presented simultaneously. Innovations can be carried out freely and the setup is robust with regard to predispositions on an individual, population or species level.