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A few people are discussing the possible reasons for a spike or dispersal patterns in Lewis/Acorn woodpecker sightings in Western Washington. One theory includes the shortage of acorns this fall. I admit that there were fewer wild rose blooms and rose hips this year than last year. I have not assessed local acorn production in comparison to years previous but hope to in the coming weeks.
Lewis/Acorn woodpecker numbers
Washington Community Wildlife Habitats
"Trees have long provided sustenance for people and their livestock." c. 1400
The Mystery of Masting in Trees, by Walter D. Koenig and Johannes M. H. Knops
Washington Ornithological Society
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