New Caledonian crows' clearly profit from the care and craftsmanship they put into their tools – A new zoology thing for curious kids – 2 New Things
How Crows Use Tools to Solve Problems
New Caledonian crows make and use a range of tool types. The tools... | Download Scientific Diagram
After Using Tools, Crows are Happier and Behave More Optimistically: 'The pleasure of accomplishment'
Tool Use Puts New Caledonian Crows in a Good Mood/ Curr. Biol., Aug. 1, 2019 (Vol. 29, Issue 16) - YouTube
Birdbrainy: New Caledonian crows make tools using mental images | Birds | The Guardian
Genius crow's tool-bending behaviour may be natural to its kind | New Scientist
Hawaiian crows show their tool-using smarts | Science | AAAS
Study links evolution of New Caledonian beak with tool use - UPI.com
New Caledonian crows keep 'valuable' hooked tools safer than basic non-hooked tools | eLife
Inventive crows caught on camera making tools - CSMonitor.com
Unique beak evolved with tool use in New Cale | EurekAlert!
Can Crows Make Mental Pictures of Tools? - The New York Times
Crows make tools by design, not by rote
Tool manufacture by naive juvenile crows | Nature
Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
Using Tools Puts Crows in a Good Mood | Inside Science
New Caledonian Crows Have Tools for Healthy Diets - The New York Times
Beak or Tool | California Academy of Sciences
Tool use comes naturally to crows
Tool use to crow about
Like humans, crows are more optimistic after making tools to solve a problem – Harvard Gazette
Hawaiian Crows Show Talent for Tool Use | Sci.News
