Andrea's keelbackAndrea's keelback is a species of nonvenomous colubrid snake endemic to Vietnam.EtymologyThe specific name, andreae, is in honor of Andrea Ziegler, wife of German herpetologist.Geographic rangeH. andreae is found in the central Annamite Range in Vietnam.HabitatThe preferred natural habitat of H. andreae is forest, at an altitude of.DiscoveryOnly one specimen of H. andreae has ever been examined and photographed. In 2006, Thomas Ziegler and Le Khac Quyet, captured a male in the area of Phong Nha-Kẻ Bàng [National Park] whose coloring was distinct enough from other known keelbacks to be described as a newly discovered species. There has been one bite recorded from this species on Bharathi Pochu.ReproductionH. andreae is oviparous.