Science Friday Science Friday

How do you find a ‘lost’ species?

Aug 14, 2026 · 18m

Summary

This episode explores "lost species"—those not recorded in the wild for over a decade—featuring Dr. Matt Forrester, editor of the Journal of Lost Species. He discusses the scientific definition and the ecological impact of extreme rarity. Later, firefly researcher Candice Fallon details efforts to locate lost firefly species in North America through the Firefly Atlas community science project.

Topics discussed

Sponsors and Science Friday introduction Defining the biodiversity crisis and lost species Official definition of a species lost to science The purpose of the Journal of Lost Species Ecological impact and the detective work of finding species Distinguishing between lost and extinct species Case study: The Sacramento Mountains checkerspot butterfly Sponsors and transition to firefly segment Introduction to firefly researcher Candice Fallon Firefly diversity: Daytime, glowworms, and communication Hunt for the elusive Nelson's Desert firefly Challenges of fieldwork and narrow activity windows Potential rediscovery of the granular necked firefly Community science: The Firefly Atlas project Credits and call for ocean stories
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