A performer dressed in costume prepares to participate in the Gay and Lesbian Mardi Gras parade in Sydney, Australia, March 5, 2016. The Sydney Mardi Gras parade began in 1978 as a march and commemoration of the 1969 Stonewall Riots of New York. It is an annual event promoting awareness of gay, lesbian, bisexual and transgender issues and themes. (Photo by David Gray/Reuters)

The first runner-up of the Miss International 2016 Alexandra Britton (L) representing Australia reacts after she was named during the 56th Miss International Beauty Pageant in Tokyo, Japan October 27, 2016. Representatives from more than 69 countries and regions took part in the beauty contest. (Photo by Kim Kyung-Hoon/Reuters)

A visitor takes photos while attending the Dandenong Festival of Lights in the suburb of Dandenong in Melbourne, Australia, September 23, 2015. The month-long festival, set up by the Chinese Cultural Works Light Spectacular, celebrates Chinese culture through a display of hundreds of beautiful and unique silk light displays, according to the event's website. (Photo by Darrin Zammit Lupi/Reuters)

Leon Samson, 24-year-old showman, grimaces as an automobile is driven across his chest at Perth, Australia on October 9, 1960. Samson said the towel on his chest is to prevent the wheel from tearing his flesh. (Photo by AP Photo)

A surfer braves a large wave at Queenscliff in Sydney, Monday, June 6, 2016. Storms have lashed Australia's easter coast for several days whipping up waves as high as 12 meters (40 feet), which caused serious beach erosion and forced hundreds of coastal residents to evacuate. (Photo by Rick Rycroft/AP Photo)

Australia's Richie “Vas” Vaculik maneuvers past another surfer ducking under the wave during the inaugural Red Bull Cape Fear invitational surfing tournament off the shores of southern Sydney, August 31, 2014. (Photo by Jason Reed/Reuters)

Julia Robinson of the Jillaroos scores a try during the rugby league Pacific Cup Women's Final match between the Australian Jillaroos and the New Zealand Ferns at CommBank Stadium in Sydney, New South Wales, Australia, 09 November 2025. (Photo by Mark Evans/EPA)

It would seem to be something you'd see only in a cartoon or at a Phish concert, but according to park rangers in New South Wales, Australia, dozens of giant, fluorescent pink slugs have been popping up on a mountaintop there. The eight-inch creatures have been spotted only on Mount Kaputar, a 5,000-foot peak in the Nandewar Range in northern New South Wales. Scientists believe the eye-catching organisms are survivors from an era when Australia was home to rainforests. A series of volcanoes, millions of years of erosion and other geological changes “have carved a dramatic landscape at Mount Kaputar”, the park service wrote on its Facebook page, and unique arid conditions spared the slugs from extinction. (Photo by Michael Murphy/AFP Photo/NSW Environment Office)