Crows Learn To Use Tools When There Aren't Woodpeckers In The Way
On isolated islands, crows poke around for food with sticks because woodpeckers aren't there to eat all of the hard-to-reach bugs.By Evan Thomas | September 14, 2016
We know crows are smart. One species even famously uses tools to get food. But scientists are only just now learning why crows would evolve such an amazing ability — and, bizarrely, the reason involves woodpeckers.
Crows living on the island of New Caledonia in the South Pacific use sticks to dig insects out of trees and logs. Researchers just found another species native to Hawaii that does the same thing.