Hillcrest Park Zoo is a very tiny establishment in Clovis, New Mexico, but the zoo has done well in the past year as the entire entry-way area (ticketing building, small gift shop, exhibits for hyenas (two), zebra and wildebeest) all opened in 2014. Of note is that all of those first 4 exhibits use a kind of corrugated fencing that looks as if it is panelling that you'd find on a house. It has been a while since I've seen a zoo utilize that technique as a barrier.