Easy answer: not until we reverse the reasons they went extinct in the first place. Most of them are going to extinct because we're changing the ecological niches they require to survive.
Another solution is for humans to go extinct. Which, given how we're dealing with things like global warming, is not completely impossible.
Easy answer: not until we reverse the reasons they went extinct in the first place. Most of them are going to extinct because we're changing the ecological niches they require to survive.
Another solution is for humans to go extinct. Which, given how we're dealing with things like global warming, is not completely impossible.