Downy Woodpecker and White-breasted Nuthatch Use "vice" to Open Sunflower Seeds: Is This an Example of Tool Use?

Authors

William E. Davis Jr.

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Recommended Citation

Davis, William E. Jr. (1995) "Downy Woodpecker and White-breasted Nuthatch Use "vice" to Open Sunflower Seeds: Is This an Example of Tool Use?," Bird Observer: Vol. 23: Iss. 6, Article 6.
Available at: https://digitalcommons.usf.edu/bird_observer/vol23/iss6/6