A local squirrel can answer this question through practical demonstration as it carefully works its way through a tray of raisins, one at a time, after it had checked the hazel tree for nuts. Click Here to read what the BBC good food club has to say about raisins. Although it doesn’t mention benefits to squirrels, you might surmise that the squirrel knows its onions.
Vardre Deganwy Crown Green Bowling Club 