1101 S Texas Blvd, Weslaco. $5.00 pp. (956) 968-3275. Weekly event - weather permitting. Admission Fees apply. Join experienced naturalist Angelina Vasquez for a walk through our thicket. We'll focus on birds, but if something else cool catches our eye, we'll check it out too! Half of the species found in the entire United States have been spotted in the RGV!