{"fact":"Like squirrels burying nuts, Clark's nutcrackers hide an astounding 33,000 seeds in thousands of different spots each autumn and rely on their amazing memory to find them during the winter.","context":"The star of this show is surely the Clark’s nutcracker (Nucifraga columbiana): this bird hides around 33,000 seeds in 6,000–7,000 locations in the autumn each year, and relies on its stunning spatial memory to recover them over the following winter and spring.","source":"Nicola Clayton, Corvid cognition: Feathered apes, 10.1038/484453a","index":599}