You can help track 4 billion bogong moths with your smartphone – and save pygmy possums from extinction
- Written by Sally Sherwen, Director Wildlife Conservation and Science, Zoos Victoria, University of Melbourne

Each year, from September to mid-October, the tiny and very precious mountain pygmy-possums arise from their months of hibernation under the snow and begin feasting on billions of bogong moths that migrate from Queensland to Victoria’s alpine region.
But for the past two springs, moth numbers have...