Within 5 years, there will be passenger pigeons back in the air. The crispr gene whatchmajjigger is making this reality. Of course they will probably shut down dove season for a while to get it going, but if they pull it off, it will be worth it. What's next? Carolina Parakeets and Woolly Mammoths?

https://reviverestore.org/about-the-passenger-pigeon/