Immense migrations are believed to be a way for bogong moths to space out their lifestyle. They migrate soon after hatching, feeding on nectar along the way, then return after weeks or months of inactivity to mate and lay eggs among young crops sprouting in autumn.

Why do Bogong moths migrate to the mountains located close to Canberra?

Bogong moths migrate several hundred kilometres each year. ... In autumn Bogong moths fly back from the Snowy Mountains to the plains to feed on flower nectar to build up their energy reserves. As they don't feed during their summer dormancy they need to eat lots of food on their journey.

Where do Bogong moths migrate from?

Bogong moths undergo whole scale long-distance migration biannually, in which they can travel up to 965 km (600 miles). The spring migration begins in early September and occurs from the lowlands of Southern Australia south towards the Australian Alps for purposes of reaching aestivation sites.