Wild New Caledonian crows possess tool-craft talent - BBC News
New Caledonian Crows Learn by Doing – The Wire Science
New Caledonian Crows Behave Optimistically after Using Tools - ScienceDirect
Using Tools Puts Crows in a Good Mood | Inside Science
Inventive crows caught on camera making tools - CSMonitor.com
Tool Use – Barbara C. Klump
After Using Tools, Crows are Happier and Behave More Optimistically: 'The pleasure of accomplishment'
Tool use to crow about
Unedited videos reveal the sophisticated tool-using behavior of Hawaiian crows | Ars Technica
Hawaiian Crows Join Tool-Users Club - The New York Times
To lift a crow's mood, give it a toolkit
New Caledonian crows make and use a range of tool types. The tools... | Download Scientific Diagram
Tool-Making Crows | PBS LearningMedia
Like chess players, these crows can plan several steps ahead
Tool use comes naturally to crows
Can Crows Make Mental Pictures of Tools? - The New York Times
Tool Use Puts New Caledonian Crows in a Good Mood/ Curr. Biol., Aug. 1, 2019 (Vol. 29, Issue 16) - YouTube
Crafty New Caledonian Crows Can Assemble Tools | Smart News| Smithsonian Magazine
Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
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
New Caledonian crows keep 'valuable' hooked tools safer than basic non-hooked tools | eLife
ScienceShot: Tool-Using Crows Eat Well | Science | AAAS
Crows really enjoy using tools, researchers find - ABC News
Geometry of tool-holding in NC crows.(a) NC crows often hold tools... | Download Scientific Diagram
Crows surprise researchers with advanced tool use | Research | The Guardian
Compound tool construction by New Caledonian crows | Scientific Reports
