Cameras capture never-before-seen footage of wild crows building tools - The Washington Post
To lift a crow's mood, give it a toolkit
ScienceShot: Tool-Using Crows Eat Well | Science | AAAS
Can Crows Make Mental Pictures of Tools? - The New York Times
Clever Crows Use Tools in New Way | WIRED
Hawaiian Crows Join Tool-Users Club - The New York Times
Tool Use Puts New Caledonian Crows in a Good Mood/ Curr. Biol., Aug. 1, 2019 (Vol. 29, Issue 16) - YouTube
Compound tool construction by New Caledonian crows | Scientific Reports
Crows share tricks of the trade
Making tools gives crows a big food boost | Ars Technica
Unedited videos reveal the sophisticated tool-using behavior of Hawaiian crows | Ars Technica
Inventive crows caught on camera making tools - CSMonitor.com
Like humans, crows are more optimistic after making tools to solve a problem — Harvard Gazette
Geometry of tool-holding in NC crows.(a) NC crows often hold tools... | Download Scientific Diagram
Wild New Caledonian crows possess tool-craft talent - BBC News
Crafty New Caledonian Crows Can Assemble Tools | Smart News| Smithsonian Magazine
Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
Tool Use – Barbara C. Klump
New Caledonian crows can create tools from multiple parts | University of Oxford
Using Tools Puts Crows in a Good Mood | Inside Science
IELTS EASY DEMO - New Caledonian Crow and The Use of Tools S12T4
Tool-Making Crows | PBS LearningMedia
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
