{"fact":"Young crows have lots of chances to learn toolmaking by watching and borrowing tools from their parents, with whom they spend a lot of time.","context":"During this time, juveniles associate closely with their parents, regularly borrowing their parents’ tools and using them to acquire food. Thus, juveniles have ample opportunities to form a mental template of a particular tool design in the wild from both observing and using the tools of their parents.","source":"S. Jelbert; S. Jelbert; R. Hosking; Adrian H. Taylor; R. Gray; R. Gray; R. Gray, Mental template matching is a potential cultural transmission mechanism for New Caledonian crow tool manufacturing traditions, 10.1038/s41598-018-27405-1","index":187}