Fruits include windfall apples, pears, plums, blackberries, bilberries, raspberries, strawberries, acorns, beechmast, pignuts and wild arum corms.
en.wikipedia.org Passenger pigeons needed big forests with a lot of beechnuts, and these aren't common today.
ottawacitizen.com On the ground, the passenger pigeons ate acorns, beechnuts and chestnuts but also soft fruits.
theconversation.com Younger female bears often don't give birth during leaner years, but with an abundance of beechnuts, berries and other food in 2011, there was a baby boom.
www.dailymail.co.uk The population was prone to dramatic rises and falls, perhaps depending on the cyclical beechnut and acorn crops.
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