Technically, yes. No matter how great a sight and meal acorns are to the friendly animals, they might not be so kind to the grass on the lawn. If a large number of acorns are left unattended for an extended period in the same place, your lawn could develop a ‘bald spot’ in several areas. Plus, abundant acorns attract rodents and other similar animals that love to dig up holes all over the yard creating unpleasant situations.