Negev tortoise the local population trend is rising. The specific name, "werneri", is in honor of Israeli herpetologist Yehudah L. Werner. Negev tortoise The Negev tortoise ("Testudo werneri") is a species of tortoise in the family Testudinidae. The species is endemic to the Negev Desert in southern Israel. "T. werneri" has been considered to be a subspecies or synonym of Kleinmann's tortoise ("T. kleinmanni" ). Males of "T. werneri" may reach a straight carapace length of . Females grow to be larger, attaining a straight carapace length of (Perälä 2001). "T. werneri" was once found in the Sinai Peninsula but has gone
Negev 13,000 km² (4,700 sq mi) or at least 55% of the country's land area. It forms an inverted triangle shape whose western side is contiguous with the desert of the Sinai Peninsula, and whose eastern border is the Arabah valley. The Negev has a number of interesting cultural and geological features. Among the latter are three enormous, craterlike makhteshim (box canyons), which are unique to the region: Makhtesh Ramon, HaMakhtesh HaGadol, and HaMakhtesh HaKatan. The Negev is a rocky desert. It is a melange of brown, rocky, dusty mountains interrupted by wadis (dry riverbeds that bloom briefly after rain) and