{"fact":"Crows exhibit transfer learning, applying previously learned solutions from similar situations to new, unfamiliar problems.","context":"There is also transfer learning involved: previously learned solutions to similar sub-problems are transferred and combined to solve the new problem.","source":"Manfred Eppe; Christian Gumbsch; Matthias Kerzel; Phuong D. H. Nguyen; Martin V. Butz; Stefan Wermter, Intelligent problem-solving as integrated hierarchical reinforcement learning, 10.1038/s42256-021-00433-9","index":649}