Figure 4
From: Population viability analysis of the endangered Dupont’s Lark Chersophilus duponti in Spain

Mean time to extinction of the 100 subpopulations conforming Dupont’s Lark metapopulation in Spain. The PVA model predicts the extinction of the last subpopulations in around 15 years (center of the distribution). The peripheral subpopulations face imminent extinction (dark maroon color).