Corvids create novel causal interventions after all.

Department of Cognitive Science, Lund University, Helgonavägen 3, Lund 22100, Sweden Department of Behavioural Ecology and Evolutionary Genetics, Max Planck Institute for Ornithology, Eberhard-Gwinner-Straße, Seewiesen 82319, Germany Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK Centre for Behavior and Evolution, Institute of Neuroscience, Newcastle University, Framlington Place, Newcastle NE2 4HH, UK Department of Experimental Psychology, University of Oxford, South Parks Road, Oxford OX1 3UD, UK