{"fact":"Crows can remember where they've stashed thousands of seeds for months at a time.","context":"Clark’s nutcrackers living at high elevations cache up to 30 000 pine seeds over a wide area that are recovered up to six months later, which should require highly proficient long-term spatial memories (Balda & Kamil 1992).","source":"Nathan J Emery, Cognitive ornithology: the evolution of avian intelligence, 10.1098/rstb.2005.1736","index":366}