Hawaiian Crows Join Tool-Users Club - The New York Times
Who Wins When Smart Crows and Kids Match Wits? - WSJ
Unique Beak Evolved with Tool Use in New Caledonian Crow | All About Birds All About Birds
Cameras capture never-before-seen footage of wild crows building tools - The Washington Post
Wild New Caledonian crows possess tool-craft talent - BBC News
Birdbrainy: New Caledonian crows make tools using mental images | Birds | The Guardian
Tool use to crow about
Tool manufacture by naive juvenile crows | Nature
Crows rock at making complex tools: Study – FIREPAW, Inc.
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
Beak or Tool | California Academy of Sciences
Tool use comes naturally to crows
Crows surprise researchers with advanced tool use | Research | The Guardian
Canny crows know their tools | University of St Andrews news
Crows really enjoy using tools, researchers find - ABC News
Clever crows reveal 'window into the mind' - BBC News
Unedited videos reveal the sophisticated tool-using behavior of Hawaiian crows | Ars Technica
Like humans, crows are more optimistic after making tools to solve a problem — Harvard Gazette
After Using Tools, Crows are Happier and Behave More Optimistically: 'The pleasure of accomplishment'
Making tools gives crows a big food boost | Ars Technica
Tool-Making Crows | PBS LearningMedia
Scientists say crows can make and use complex tools | Mint
New Caledonian Crows Learn by Doing
Study links evolution of New Caledonian beak with tool use - UPI.com
New Caledonian crows make and use a range of tool types. The tools... | Download Scientific Diagram
Compound tool construction by New Caledonian crows | Scientific Reports
Crow tool hi-res stock photography and images - Alamy
