As humans progress in the understanding of animals and their cognitive complexities, concerns for the welfare of captive animals and the need for improving husbandry practices has taken precedence. Substantiated by a collection of scientific publications, environmental enrichment is one strategy commonly used in zoological settings and functions to decrease stress-related behaviors in animals via mental and physical stimulation. However, the majority of current research consists of the reduction of behaviors indicative of poor welfare (e.g. stereotypic pacing) as a method for measuring welfare, and as a result, fails in optimizing the lives of captive animals. Enrichment is also typically applied at a population level, which makes achieving a positive welfare state at an individual level less viable. Therefore, this paper offers an alternative approach to assessing welfare utilizing behaviors suggestive of positive welfare, in conjunction with a preference-based model, for improving captive animal life. This study involved providing enrichment for eight African leopards at a sanctuary in South Africa. Intervention in the form of scent application was presented to the sample population using dilutions of Roman chamomile, nutmeg, silvervine and fox urine. Increases in exploratory and locomotive behaviors were used as measurements for assessing welfare over the duration of five weeks. All behavioral observations were recorded for 10 minutes per leopard, per day of scent provision. Two trials were conducted. During weeks 1-4, one of the four scents was randomly assigned to each leopard each week. On week five, all four scents were provided simultaneously to assess for preference and the related effects on locomotion and exploratory behaviors. A focal sampling method was used to quantify and analyze all data. The results of this study showed a significant variance amongst the individual in both preference and behavioral patterns. However, the data collected from population totals demonstrated increases in locomotive and exploratory behaviors when a leopard had available their preferred scent(s). My findings suggest that scent provision at the level of the individual has potential to significantly enhance the welfare of captive animals under these conditions.