
For over two months, the small town of Nannup in Western Australia’s south-west has been transformed into a magical butterfly haven, attracting nature lovers and tourists alike. Thousands of bright orange monarch butterflies have descended on the area, creating a striking and enchanting display. While this natural phenomenon is a feast for the senses, it also sheds light on a delicate ecological balance.
The Magic of Nannup’s Butterfly Swarm
The monarch butterflies can be seen lounging on tulips, resting on eucalyptus leaves, and fluttering around native bottlebrush plants. Nannup’s annual Flower and Garden Festival has seen an added boost of visitors, thanks to the viral spread of photos and videos of these exquisite creatures on social media.
“It’s gone a bit viral on social media… people have been coming to see the butterflies and the tulips,” said Maggie Longmore, organizer of the festival. Tourists and locals alike describe the sight as “magical.” Families driving through the town recount being surrounded by clouds of these colorful insects, making for an unforgettable experience.
The Science Behind the Monarch Swarm
But what’s behind this incredible phenomenon? The answer lies in invasive plants like cotton bush and milkweed, which provide an abundant food source for the monarchs during their larvae stage. These plants, however, are a concern for local ecosystems as they threaten native species.
Horticulturist Chris Barlow explains, “The reason why it was so good this year is because they had a very good food source. The monarch’s distinctive orange coloring is not just stunning but also a warning of their potential toxicity.” Interestingly, only a few species of birds can eat these butterflies due to their protective toxicity.
The Ecological Balance
The monarch butterfly, native to North America, is believed to have arrived in Australia in the 1870s, carried across the Pacific during cyclonic weather. However, it wasn’t until invasive plants began spreading in the past three decades that the species truly established itself.
While the butterflies are a beautiful sight, experts emphasize the importance of managing these invasive weeds. “What we recommend is people control the milkweed and the cotton bush inside bushland areas, as well as along roadsides,” says Barlow.
Bringing the Magic to Your Backyard
If you’re eager to attract butterflies to your garden, consider planting native species that support pollinators while protecting local ecosystems. Products like this pollinator-friendly seed mix can help you create a haven for butterflies and bees in your own backyard.
For visitors to Nannup, the butterfly phenomenon is a reminder of the delicate interplay between nature and human impact, balancing environmental preservation with the awe-inspiring beauty of wildlife.