“Carrion crows in the city of Sendai in Japan have discovered an ingenious way of cracking walnuts. They take the nuts and wait beside the road until the light turns red. Then they descend, place the nuts in front of the wheel of the car, and fly off. When the light turns green, they return and eat the pieces of the nut that a vehicle has crushed. (Sax, 2003:20)”
As the debate on culture continues, some ground is often given to primates who it can be agreed possess culture. Other animals are often overlooked. Human-animal anthropology merges with Actor Network Theory and the Gaia hypothesis. There are questionable boundaries.
For more details check out this blog post and infographic from Rafael Koller.