
When is a species really extinct?
Dodos have been extinct for centuries, but it’s not a simple matter to definitively designate a species as extinct. (Shutterstock) Arne Mooers, Simon Fraser University https://narrations.ad-auris.com/widget/the-conversation-canada/when-is-a-species-really-extinct As the saying goes: “extinction is forever.” The list of extinct animals, like Steller’s sea cow, the Tasmanian wolf and the dodo, is depressing. And despite various efforts, extinction seems final. But when does extinction start? That would seem … Continue reading When is a species really extinct?