Tool-Making Crows | PBS LearningMedia
ScienceShot: Tool-Using Crows Eat Well | Science | AAAS
Tool Use – Barbara C. Klump
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
Crows share tricks of the trade
Compound tool construction by New Caledonian crows | Scientific Reports
IELTS EASY DEMO - New Caledonian Crow and The Use of Tools S12T4
Cameras capture never-before-seen footage of wild crows building tools - The Washington Post
Making tools gives crows a big food boost | Ars Technica
Wild New Caledonian crows possess tool-craft talent - BBC News
Tool use comes naturally to crows
Geometry of tool-holding in NC crows.(a) NC crows often hold tools... | Download Scientific Diagram
Using Tools Puts Crows in a Good Mood | Inside Science
Crafty New Caledonian Crows Can Assemble Tools | Smart News| Smithsonian Magazine
Like chess players, these crows can plan several steps ahead
To lift a crow's mood, give it a toolkit
Crows really enjoy using tools, researchers find - ABC News
Canny crows know their tools
After Using Tools, Crows are Happier and Behave More Optimistically: 'The pleasure of accomplishment'
Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
Unedited videos reveal the sophisticated tool-using behavior of Hawaiian crows | Ars Technica
Hawaiian crows show their tool-using smarts | Science | AAAS
Clever Crows Use Tools in New Way | WIRED
New Caledonian Crows Behave Optimistically after Using Tools - ScienceDirect
