Azemiopinae — Fea's vipers, a distinctive viper subfamily Azemiopinae A small, distinctive group of vipers centered on the genus Azemiops (Fea's vipers), native to mountainous forests of Southeast Asia and southern China; noted for unique anatomy, ma…
Night adders (subfamily Causinae): overview, biology, and interactions Causinae Causinae, the night adders, are a small group of African vipers (genus Causus) known for daytime activity, egg-laying, amphibian diet, and generally mild but venomous bites. Overvi…
