Cover description: Echo parakeet (Psittacula eques); a species saved from extinction by conservation action. In this issue Bolam and colleagues estimate the number of bird and mammal extinctions that have been prevented due to conservation action between 1993 and 2020.

Photo credit: Jacques de Speville.

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发行信息

封面描述：回声长尾小鹦鹉（Psittacula eques）；通过保护行动免于灭绝的物种。Bolam及其同事在本期杂志中估计，由于保护行动在1993年至2020年之间，鸟类和哺乳动物的灭绝事件得以预防。

图片提供：Jacques de Speville。