Can Crows Make Mental Pictures of Tools? - The New York Times
Compound tool construction by New Caledonian crows | Scientific Reports
New Caledonian crows can create tools from multiple parts | University of Oxford
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
Canny crows know their tools | University of St Andrews news
Crafty New Caledonian Crows Can Assemble Tools | Smart News| Smithsonian Magazine
Tool use to crow about
Beak or Tool | California Academy of Sciences
Making tools gives crows a big food boost | Ars Technica
Endangered Hawaiian Crow Shows Knack for Tool Use
Like humans, crows are more optimistic after making tools to solve a problem — Harvard Gazette
New Caledonian crows can create compound tools | Max-Planck-Gesellschaft
Crafty Crows Teach Each Other How to Make Tools | The Science Explorer
New Caledonian crows show strong evidence of social learning
New Caledonian crows keep 'valuable' hooked tools safer than basic non-hooked tools | eLife
Unedited videos reveal the sophisticated tool-using behavior of Hawaiian crows | Ars Technica
Astonishing' New Caledonian crows make complex tools
Tool Use Puts New Caledonian Crows in a Good Mood/ Curr. Biol., Aug. 1, 2019 (Vol. 29, Issue 16) - YouTube
Unique beak evolved with tool use in New Caledonian crow
Crows make their own tools for catching food • Earth.com
After Using Tools, Crows are Happier and Behave More Optimistically: 'The pleasure of accomplishment'
Inventive crows caught on camera making tools - CSMonitor.com
Geometry of tool-holding in NC crows.(a) NC crows often hold tools... | Download Scientific Diagram
ScienceShot: Tool-Using Crows Eat Well | Science | AAAS
Cameras capture never-before-seen footage of wild crows building tools - The Washington Post
