{"fact":"Betty the crow remembered how to modify the aluminum strip tool even after 5 months without practice, showing an impressive long-term memory for tool-making skills.","context":"Betty retained perfect performance after more than 5 months with no exposure to the material","source":"Alex A. S. Weir; Alex Kacelnik, A New Caledonian crow (Corvus moneduloides) creatively re-designs tools by bending or unbending aluminium strips, 10.1007/s10071-006-0052-5","index":192}