Endangered Hawaiian crows join elite list of animals known to use tools

Scientists have discovered a rare bird that uses sticks to find food – making it the latest addition to a select list that includes sea otters, elephants and octopuses The Hawaiian crow is the latest animal to be added to the elite group of species that use tools, after scientists documented it employing sticks to extract hard-to-reach morsels of food from crevices in a log in less than one minute. Its cousin, the New Caledonia crow, was already known to be a master toolmaker and user, and