Declaring a bird extinct: The median wait is 36 years after the last sighting

birdshistory.com

Declaring a bird extinct: The median wait is 36 years after the last sighting

birdshistory.com

RSS Bot@lemmy.bestiver.seMB to Hacker News@lemmy.bestiver.seEnglish · 8 days ago

Declaring a Bird Extinct: The Median Wait Is 36 Years After the Last Sighting - Birds History

birdshistory.com

Thirteen birds on this site have both a documented last record and a formal extinction declaration. The median gap is 36 years, the longest 124. Four more have never been declared at all.

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