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. 2020 Aug 5;6(32):eabb8458. doi: 10.1126/sciadv.abb8458

Fig. 4. Historical patterns in extinctions across trophic groups.

Fig. 4

The mean proportions (±95% CI) of extinct species for recently extinct birds, mammals, and reptiles combined (all species) and separately, and Pleistocene extinct mammals. Asterisks indicate where the proportions of extinct species are significantly different from the background fraction (dashed horizontal line). Numbers indicate total number of species within each group. Letters indicate the results for comparisons across trophic group using Tukey’s post hoc tests. Differing letters indicate significant differences among trophic groups (P < 0.05).