Lourdes Medrano/Undark

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The Sonoran Desert toad.
健康

作者：Lourdes Medrano/Undark

Low-frequency noise is pervasive. Does that matter?
环境

作者：Lourdes Medrano/Undark

The threatened Chiricahua leopard frog, in Sycamore Canyon, Arizona. The species can be difficult to spot in the murky, often deep, water holes that they inhabit.
科学

作者：Lourdes Medrano/Undark

Top: Beans at the CIAT gene bank in Colombia, which has just sent its latest consignments of seeds for conservation at the Global Seed Vault in Svalbard, Norway.
农业

作者：Lourdes Medrano/Undark

Farmers and scientists unite to save the home of an endangered salamander
野生动物

作者：Lourdes Medrano/Undark

A DACA supporter holds up a sign saying, "Our dreamers are the future of our nation"
COVID-19

作者：Lourdes Medrano/Undark

The facade of the Movimiento Juventud 2000 migrant shelter.
COVID-19

作者：Lourdes Medrano/Undark

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