The Presence Of Absence: How Do We Know A Species Is Really Extinct?

A pair of Purple-winged Ground-doves (Paraclaravis geoffroyi). Female, left; male, right. (Copyright and credit to the artist, Evaristo HernΓ‘ndez-FernΓ‘ndez)



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𝐆𝐫𝐫π₯π’πœπ’πžπ§π­π’π¬π­, scientist & journalist

PhD evolutionary ecology/ornithology. Psittacophile. scicomm Forbes, previously Guardian. always Ravenclaw. discarded scientist & writer, now an angry house elf