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. 2023 Jul 26;620(7973):351–357. doi: 10.1038/s41586-023-06371-3

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Extended Data Fig. 2 — Beta regressions were used to determine whether the proportion of each metric traded differed by biogeographic realm for (A,C,E,G) birds and (B,D,F,H) mammals. (A and B) Phylogenetic Diversity- Birds: Pseudo R-squared= 0.3577, Log likelihood= 16240, df= 12, p < 0.05; Mammals: Pseudo R-squared= 0.1586; Log Likelihood 6776, df = 12, p < 0.05. (C and D) Summed Evolutionary Distinctiveness and Global Endangerment score- Birds: Pseudo R-squared= 0.3772, Log- likelihood= 12910, df= 12, p < 0.05; Mammals: Pseudo R-squared= 0.2189, Log-likelihood= 5551, df= 12, p < 0.05. (E and F) Summed Evolutionary Distinctiveness- - Birds: Pseudo R-squared= 0.2569, Log likelihood= 11880, df= 12, p < 0.05; Mammals: Pseudo R-squared= 0.1871, Log likelihood= 4685, df= 12, p < 0.05. (G and H) Functional Richness- Birds: Pseudo R-squared= 0.1902, Log-likelihood= 17880, df= 12, p < 0.05; Mammals: Pseudo R-squared= 0.5406, Log-likelihood= 5040, df= 12, p < 0.05.) Error bars represent 95% confidence intervals. Transparent points behind the means are the raw proportions of each grid cell. Biogeographic realms are colour coded.