Clever New Caledonian crows can use three tools. Clever crows can use three tools New Caledonian crows have given scientists yet another display of their tool-using prowess.
Scientists from New Zealand's University of Auckland have found that the birds are able to use three tools in succession to reach some food. The crows, which use tools in the wild, have also shown other problem-solving behaviour, but this find suggests they are more innovative than was thought. The research is published in the Proceedings of the Royal Society B. The team headed to the South Pacific island of New Caledonia, the home of Corvus moneduloides. Teachers.