Tritonia nudibranch
This Tritonia nudibranch found in the Red Sea may be chronically rare. This species is generally seen only once every few years. (Flickr/prilfish)

Rarity Can Be Key to Survival, Not Just Extinction

Some species have always been rare — occurring in small densities throughout their range — throughout their evolutionary history. A perspective paper from in the journal Ecology Letters suggests that for many species, rarity is not a guarantee of impending extinction. Instead, the traits that enable some species to be rare may hold the ticket to their survival. Read more at UC Davis News.

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