Cameras capture never-before-seen footage of wild crows building tools - The Washington Post
Tool-Making Crows | PBS LearningMedia
To lift a crow's mood, give it a toolkit
Tool Use – Barbara C. Klump
IELTS EASY DEMO - New Caledonian Crow and The Use of Tools S12T4
Tool-Making Crows Are Even Smarter Than We Thought | Nat Geo Wild - YouTube
Tool use to crow about
Compound tool construction by New Caledonian crows | Scientific Reports
Beak or Tool | California Academy of Sciences
Hawaiian crows show their tool-using smarts | Science | AAAS
Like humans, crows are more optimistic after making tools to solve a problem — Harvard Gazette
How Crows Use Tools to Solve Problems
New Caledonian Crows Learn by Doing – The Wire Science
Canny crows know their tools
Tool use comes naturally to crows
Crows surprise researchers with advanced tool use | Research | The Guardian
Like chess players, these crows can plan several steps ahead
Unique beak evolved with tool use in New Caledonian crow | Cornell Chronicle
ScienceShot: Tool-Using Crows Eat Well | Science | AAAS
Hawaiian Crows Join Tool-Users Club - The New York Times
Clever Crows Use Tools in New Way | WIRED
New Caledonian crows can create compound tools | Max-Planck-Gesellschaft
Geometry of tool-holding in NC crows.(a) NC crows often hold tools... | Download Scientific Diagram
New Caledonian crows keep 'valuable' hooked tools safer than basic non-hooked tools | eLife
