Unedited videos reveal the sophisticated tool-using behavior of Hawaiian crows | Ars Technica
Crows really enjoy using tools, researchers find - ABC News
New Caledonian crows attend to multiple functional properties of complex tools | Philosophical Transactions of the Royal Society B: Biological Sciences
Wild New Caledonian crows possess tool-craft talent - BBC News
Crows, the technological tool specialists of the avian world
New Caledonian Crows Learn by Doing
Tool manufacture by naive juvenile crows | Nature
Canny crows know their tools | University of St Andrews news
New Caledonian crows keep 'valuable' hooked tools safer than basic non-hooked tools | eLife
Unique Beak Evolved with Tool Use in New Caledonian Crow | All About Birds All About Birds
Like humans, crows are more optimistic after making tools to solve a problem — Harvard Gazette
Hawaiian Crows Join Tool-Users Club - The New York Times
Crow tool hi-res stock photography and images - Alamy
Compound tool construction by New Caledonian crows | Scientific Reports
New Caledonian crows make and use a range of tool types. The tools... | Download Scientific Diagram
Crows surprise researchers with advanced tool use | Research | The Guardian
Cameras capture never-before-seen footage of wild crows building tools - The Washington Post
Clever crows reveal 'window into the mind' - BBC News
Study links evolution of New Caledonian beak with tool use - UPI.com
Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
Crows make their own tools for catching food • Earth.com
