Quote:
Originally Posted by Thamnophis
Maybe, if there are only less than 10 individuals of a certain (sub-)species you better let nature do what it does. The free niche will be taken by another species or subspecies.
Sinde there are living creatures on this globe there has been extinction of species.
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In certain cases there isn't even a niche to be taken, which is why the species is becoming extinct in the first place. But I don't know if it's right to say that you are better off in every case. Sooner or later the niche (if there is one) will be taken, but how the temporary vacuum effects us, is something that should be taken into consideration. If that species of bird had been the only species specializing in a certain disease-carrying insect, we'd be better off keeping it alive. Another species will emerge sooner or later, but it takes time.