Can Crows Make Mental Pictures of Tools? - The New York Times
Crows make tools by design, not by rote
Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
Inventive crows caught on camera making tools - CSMonitor.com
Unique beak evolved with tool use in New Cale | EurekAlert!
Canny crows know their tools | University of St Andrews news
How Crows Use Tools to Solve Problems
Compound tool construction by New Caledonian crows | Scientific Reports
New Caledonian Crows Keep Their Favorite Tools Safe | Inside Science
Crows really enjoy using tools, researchers find - ABC News
Crafty New Caledonian Crows Can Assemble Tools | Smart News| Smithsonian Magazine
New Caledonian crows can create compound tools | Max-Planck-Gesellschaft
Tool bending in New Caledonian crows | Royal Society Open Science
Tool use comes naturally to crows
New Caledonian crows make and use a range of tool types. The tools... | Download Scientific Diagram
Tool Use Puts New Caledonian Crows in a Good Mood/ Curr. Biol., Aug. 1, 2019 (Vol. 29, Issue 16) - YouTube
Crows share tricks of the trade
Like humans, crows are more optimistic after making tools to solve a problem – Harvard Gazette
Like chess players, these crows can plan several steps ahead
Making tools gives crows a big food boost | Ars Technica
After Using Tools, Crows are Happier and Behave More Optimistically: 'The pleasure of accomplishment'
New Caledonian crows keep 'valuable' hooked tools safer than basic non-hooked tools | eLife
Crows surprise researchers with advanced tool use | Research | The Guardian
Wild New Caledonian crows possess tool-craft talent - BBC News
Hawaiian crows can use sticks as tools but are nearly extinct | New Scientist
