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A male and female Chiriqui harlequin frog (<em>Atelopus chiriquiensis</em>) photographed in 2010. The species was declared extinct in 2019.
How Do Scientists Decide a Species Has Gone Extinct?
Getting it wrong can harm the very creatures that scientists are trying to protect.
How Do Scientists Decide a Species Has Gone Extinct?
How Do Scientists Decide a Species Has Gone Extinct?

Getting it wrong can harm the very creatures that scientists are trying to protect.

Getting it wrong can harm the very creatures that scientists are trying to protect.

conservation, careers

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