Reviving Extinct Species: Is It Worth the Cost?

[Aristus]

1. I think it depends upon the species.

Would the species being revived be considered invasive in the region in which it is to be re-introduced?

Would it negatively affect other species in the area?

I love the idea of bringing back species we killed off, like the passenger pigeon or the quagga. But the reality of it would almost certainly have unintended consequences...