Out of the frying pan: Reintroduction of toad‐smart northern quolls to southern Kakadu National Park

A reintroduction effort of northern quolls (Dasyurus hallucatus) to Kakadu National Park, where invasive cane toads (Rhinella marina) pose a significant threat, revealed critical insights into species survival and conservation strategies. The study found that quolls conditioned with taste aversion training to avoid toxic toads survived significantly longer than unconditioned individuals, with some even recorded mating. However, predator aversion training proved less effective, as dingo predation accounted for substantial mortality among the reintroduced quolls. This suggests that while behavioral conditioning can mitigate immediate threats like cane toads, long-term survival is hindered by other ecological pressures, such as predation and potential loss of predator-avoidance behaviors in isolated populations. These findings underscore the complexity of reintroduction efforts for endangered species and highlight the need for comprehensive strategies addressing multiple ecological challenges.

Jolly, C. J., Kelly, E., Gillespie, G. R., Phillips, B., & Webb, J. K. (2017). Out of the frying pan: Reintroduction of toad‐smart northern quolls to southern Kakadu National Park. Austral Ecology, 43(2), 139–149. Portico. https://doi.org/10.1111/aec.12551