World · Singapore Bureau
Australia's Bogong moths stage remarkable recovery after near-collapse
Australia's iconic Bogong moths have bounced back from the brink of ecological disaster, with populations rebounding after a dramatic decline that began in 2017. The resurgence offers hope for a species threatened by drought, pesticides and habitat loss.
LSN Singapore ·

The annual migration of millions of Bogong moths across Australia's skies appears to have stabilized following years of alarm among scientists and conservationists. The species had faced a catastrophic population crash beginning in 2017, when multiple environmental pressures converged to threaten one of nature's most spectacular natural phenomena.
Drought conditions, widespread agricultural pesticide applications, and the progressive loss of breeding habitats in Queensland and New South Wales had combined to send moth numbers plummeting. The decline threatened to unravel a migration cycle that has persisted for millennia, with moths undertaking one of the animal kingdom's most demanding journeys to reach cooler mountain refuges during Australia's scorching summers.
Recent surveys indicate populations have begun recovering, suggesting that natural resilience and reduced environmental stressors may be allowing the species to regenerate. Scientists attribute the improvement partly to seasonal weather patterns and increased awareness among farmers and landowners about the moths' ecological significance.
Conservationists warn that the recovery remains fragile and vulnerable to future climate extremes and agricultural intensification. Sustained monitoring and habitat protection measures will be critical to ensuring that Australia's Bogong moths do not face renewed collapse in coming years.