Finding the hot food: Look at the base of oak trees. You want to find hulls, broken caps, and deer droppings. That's where they're coming back to this evening. And it changes almost from day to day. Deer prefer white oak acorns, so you've got to be able to identify white and red oaks. White oaks pollinate annually, but an early frost can put you out of business. So you have to know the red oaks, too. More important, always, is which ones are dropping and which ones the deer are hitting. There may be a bunch of trees dropping acorns at any given time, but a lot of those aren't drawing deer for one reason or another.