New Caledonian Crows Learn by Doing – The Wire Science
Inventive crows caught on camera making tools - CSMonitor.com
Clever Crows Use Tools in New Way | WIRED
Wild New Caledonian crows possess tool-craft talent - BBC News
Crows surprise researchers with advanced tool use | Research | The Guardian
Can Crows Make Mental Pictures of Tools? - The New York Times
Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
Canny crows know their tools
Hawaiian Crows Join Tool-Users Club - The New York Times
New Caledonian Crows Behave Optimistically after Using Tools - ScienceDirect
Beak or Tool | California Academy of Sciences
To lift a crow's mood, give it a toolkit
IELTS EASY DEMO - New Caledonian Crow and The Use of Tools S12T4
Compound tool construction by New Caledonian crows | Scientific Reports
Unedited videos reveal the sophisticated tool-using behavior of Hawaiian crows | Ars Technica
Like chess players, these crows can plan several steps ahead
How Crows Use Tools to Solve Problems
Unique beak evolved with tool use in New Caledonian crow | Cornell Chronicle
After Using Tools, Crows are Happier and Behave More Optimistically: 'The pleasure of accomplishment'
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 make and use a range of tool types. The tools... | Download Scientific Diagram
Hawaiian crows show their tool-using smarts | Science | AAAS
Making tools gives crows a big food boost | Ars Technica
Like humans, crows are more optimistic after making tools to solve a problem — Harvard Gazette
Tool Use – Barbara C. Klump
