“…Indeed, a few successful reintroductions of threatened species have already occurred in urban environments; for example, at least nine animal species have been reintroduced into urban areas in which they had been previously locally extinct (Martell, Englund, & Tordoff, 2002; Recio, Payne, & Seddon, 2016; van Heezik & Seddon, 2018). Similarly, plant species and communities may be brought back into urban environments through restoration and rehabilitation approaches (McDonald, Gann, Jonson, & Dixon, 2016); for example, as many as 38 projects have been implemented across 20 cities in New Zealand with the objective of restoring vegetation cover by planting or reintroducing indigenous plant species (Clarkson & Bylsma, 2016; Clarkson & Kirby, 2016). Another exciting opportunity to bring locally extinct species back into cities is the potential spillover effects of reintroduction actions conducted within predator‐free, fenced urban ecosanctuaries such as Zealandia in Wellington, New Zealand and Mulligans Flat in Canberra, Australia.…”