They weigh 'less than a Tic Tac', yet bogong moths manage to migrate 1,000 kilometres in their billions each year. Scientists are concerned weather extremes may be their undoing.
Naomi Monk, an environmental officer at Falls Creek Alpine Resort, has been thinking about this question, and how to gather data on moth numbers to track them long-term.In 2019, as Zoos Victoria was setting up Moth Tracker, Ms Monk was sweeping butterfly nets through the air.
After experimenting with light traps, and using a head torch to spot and manually count the moths, she came up with a prototype to track the moths remotely. He says it's too early to tell if moth numbers will be back to pre-drought levels this season. While the signs are promising, he's still "very worried" about the moths.
"But … the recent drought proved to me how vulnerable even the most common and apparently resilient species is in the face of climate change."
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