(pictured in New Caledonia Island Crow)
The latest study found that
scientists, the wild island of New Caledonia to crow hook stick tool manufacturing, cleverly catching insects from the gap in addition, they also cherish, protect by all means.
scientists through the camera observation, found that New Caledonia Island crow is very clever, know how to use a hook stick as hunting tools. They installed a miniature camera in crow feathers, record crow beak dangling from a hook food stick, cleverly hiding out in the gap of insects.
Raven has the ability to make tools that have never been recorded before, this is the first time in a field environment to capture this phenomenon.