Negev additives. Vegetation in the Negev is sparse, but certain trees and plants thrive there, among them "Acacia", "Pistacia", "Retama", "Urginea maritima" and "Thymelaea". A small population of Arabian leopards, an endangered animal in the Arabian peninsula, survives in the southern Negev. The Negev Tortoise ("Testudo werneri") is a critically endangered species that currently lives only in the sands of the western and central Negev Desert. The Negev shrew ("Crocidura ramona") is a species of mammal of the family Soricidae found only in Israel. "Hyphaene thebaica" or doum palm can be found in the Southern Negev. Evrona is the most northerly
Incense Route – Desert Cities in the Negev on the river banks and hill slopes in Avdat and central Negev where a very large number of water collection cairns built in stone are present. Twenty-two milestones have been found in the Nafha Highlands and the Ramon Makhtesh areas between the Makhmal Fort and the Saharonim Fort. They are cylindrical in shape with square bases made of stone. Field stones are also seen set in different patterns at road crossings, or as religious sites. One stretch of such arranged stones is in length. Road sections are also discerned in several stretches of the route. Incense Route – Desert Cities