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- A tree used by acorn woodpeckers to store acorns.
- 2001, Living Bird, volume 20-21, page 40:
- If the acorn is to be stored rather than eaten, the bird brings it to the granary tree and drives it into a vacant storage hole.
- 2010, Six Rivers National Forest (N.F.), Beaverslide Timber Sale and Fuel Treatment Project: Environmental Impact Statement:
- One granary tree can have up to 50,000 holes in it, each holding a single acorn. In parts of its range the acorn woodpecker does not construct a granary tree, but instead stores acorns in natural holes and cracks in bark.
- 2011, Peter Goodfellow, Avian Architecture: How Birds Design, Engineer, and Build:
- These three birds are at a “granary tree” or “nut pole,” where there are many stored acorns, but no grain, despite the name.