Crows safeguard sticks to speed future food-finding forays

New Caledonian crows safeguard the sticks they use to find food by either tucking them under their toes (left) or keeping them in holes (right).
B. Klump et al/Proc. B 2015
New Caledonian crows safeguard the sticks they use to find food by either tucking them under their toes (left) or keeping them in holes (right).
B. Klump et al/Proc. B 2015