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

Authors
William E. Davis, Jr.
Journal
Bird Observer
Volume
23
Issue
6
Year
1995
Pages
339-342
File attachments
BirdObserver23.6_Page339-342_Downy Woodpecker and White-breasted Nuthatch Use 'Vice' to Open Sunflower Seeds..._William E. Davis, Jr..pdf (661.33 KB)

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