Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
New Caledonian crows attend to multiple functional properties of complex tools | Philosophical Transactions of the Royal Society B: Biological Sciences
Hawaiian crows show their tool-using smarts | Science | AAAS
New Caledonian crows can create compound tools | Max-Planck-Gesellschaft
Like chess players, these crows can plan several steps ahead
Tool use comes naturally to crows
Inventive crows caught on camera making tools - CSMonitor.com
New Caledonian Crows Behave Optimistically after Using Tools | Department of Organismic and Evolutionary Biology
Hawaiian Crows Show Talent for Tool Use | Sci.News
Cameras capture never-before-seen footage of wild crows building tools - The Washington Post
How Crows Use Tools to Solve Problems
Unique beak evolved with tool use in New Cale | EurekAlert!
New Caledonian Crows Keep Their Favorite Tools Safe | Inside Science
Crows make tools by design, not by rote
Scientists Have Found Another Crow That Uses Tools - The Atlantic
Using Tools Puts Crows in a Good Mood | Inside Science
Canny crows know their tools | University of St Andrews news
Crafty Crows Teach Each Other How to Make Tools | The Science Explorer
Beak or Tool | California Academy of Sciences
New Caledonian crows keep 'valuable' hooked tools safer than basic non-hooked tools | eLife
Crows really enjoy using tools, researchers find - ABC News
Making tools gives crows a big food boost | Ars Technica
Crafty New Caledonian Crows Can Assemble Tools | Smart News| Smithsonian Magazine
Tool use to crow about
After Using Tools, Crows are Happier and Behave More Optimistically: 'The pleasure of accomplishment'
