By No machine-readable author provided. Mark assumed (based on copyright claims). [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons

Night Safari. (n.d.). Retrieved February 12, 2016, from http://www.nightsafari.com.sg/