Well, of course it isn’t: they merely (falsely) use the "endangered species" claim to stop all development of any kind

Snail darter revisited: Famous fish that halted a dam's construction is not endangered after all

And lets not forget the spotted owl, the excuse for shutting down the Northwest’s timber industry and the logging towns that once flourished there. The owls are thriving; the towns and their residents are gone, exactly as intended.