Monitoring Rarity: The Critically Endangered Saharan Cheetah as a Flagship Species for a Threatened Ecosystem Belbachir, Farid ; Pettorelli, Nathalie ; Wacher, Tim ; Belbachir-Bazi, Amel ; Durant, Sarah M. Abstract Publication: PLoS ONE Pub Date: January 2015 DOI: 10.1371/journal.pone.0115136 Bibcode: 2015PLoSO..1015136B