In our 2021 review of US conservation translocations spanning the past 125 years, we claimed an overwhelming majority of successfully established translocations were ecologically benign or beneficial (Novak et al., 2021). Keywords: biological control; conservation translocation; endangered species; intended consequences; unintended consequences EN biological control conservation translocation endangered species intended consequences unintended consequences 1 2 2 11/17/22 20221101 NES 221101 It is more important than ever to ground debates on the risk of adverse, unintended consequences with relevant evidence. Biological control, endangered species, conservation translocation, intended consequences, unintended consequences. [Extracted from the article]