Answer: Numerous animals will eat tulip bulbs (and tulip tops), so unless you have seen the typical mole tunnels they are not necessarily the culprit. Tulip bulbs are a favored food, so you may have to try a number of protective measures. One is to place a layer of wire mesh on the soil surface to prevent digging from the surface. Another is to make wire mesh cages (a small and sturdy mesh such as hardware cloth) and bury the bulbs inside them -- probably the most effective. Some gardeners report success dipping the bulbs in a repellent such as Ropel at planting, or in using commercial repellents over the general area. If squirrels are digging them up in the fall, planting them very deep can help. Another option is to plant daffodils instead since the critters seem to avoid those altogether -- they are toxic.
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