![Green acorns lie beneath a tree on the University of Georgia campus in Tifton, Ga. Many species of wildlife can eat acorns with no ill effects, but cows can contract acorn poisoning from eating too many - especially the green ones.](https://secure.caes.uga.edu/news/multimedia/images/1741/Greenacornslr.jpg)
No green acorns
Squirrels, birds and small wildlife are known to dine on acorns. Cows, on the other hand, can eat a few acorns, but too many can cause deadly acorn—or “Quercus”—poisoning.