Grey squirrels breed in late winter (and late summer) and their ability to conceive and raise young is dependent on food resources. Red acorns are keepers because other animals don’t like them much so there’s less chance of pilfering, and they don’t germinate until the following spring.
The white acorns also sprout in the fall and are more perishable if buried. Squirrels will eat about 85% of the white acorns and bury 60% of the red acorns they find. This does not happen with white oak acorns where the bitterness is not as noticeable. They are known for being high in fiber, protein, healthy fats, and a variety of vitamins and minerals, much more nutritious than a bowl of potato chips, andif eaten in moderationcan help you lose weight. Getty Images Now more than ever, nuts are recommended as the ideal snack. The red oak acorns (red oak, scarlet oak, pin oak, willow oak, black oak…) are nutritious but intensely bitter even to wildlife not because they have more tannin in them which they do, but because the tannin in red oak acorns breaks down in saliva so the bitterness is more obvious. Updated on 08/17/19 Maximilian Stock Ltd. There are many complex contributing factors! The acorns from the white oak family (white oak, swamp white oak, chestnut oak, bur oak, chinquapin oak…) are the tastiest. There are 32 species of oaks in North America, but squirrels are fairly picky about what acorns they like and how they bury them.
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