Advertisement Sorry, no elephant pictures this time! Crotalus, Ahh, I see. After talking with one of the zoo employess I believed it was newly described and not merely a name change. I had no idea it was previously Trimerserus. It was the first time I've ever seen one. They have a few of them at the San Diego Zoo and one of the females even gave birth to several more. Only the one snake is on display. Yes, the zoo has an excellent herp display. They are also one of the premiere large zoos. We have memberships so I stop by frequently just to look at the herps and browse around. They have a ton of stuff going on behind the scenes as well. Great place. I've only found these two citations on Ermia mangshanensis. I'm trying to track down the papers. Anybody out there have them? Zhang, Fu-ji. 1998. Description of the distinct pit viper of genus Ermia (Serpentes: Viperidae) of China. Russian Journal of Herpetology. 5 (1):83-84. [Chengdu Institue of Biology, Academia Sinica, Chengdu 610041, China] Chen, Yuanhui. 1998. The current status of Ermia mangshanensis and conservation strategy. Sichuan Journal of Zoology. 17 (2):76-78.