Natural Bridge Wildlife Ranch is a drive-through animal park that fits easily with a family trip north of San Antonio. The experience is not wild in the ecological sense, but it gives children and casual visitors close views of hoofstock, birds, and other animals from the slow loop road.
Its best use is as part of a Natural Bridge area outing, especially if you are also visiting the caverns. Go with realistic expectations: this is a commercial wildlife attraction, not a safari, but it can be a relaxed half-day for families who want something beyond downtown missions and museums.