Thousands of tiny snails no bigger than a fingernail just made an extraordinary journey of more than 15,000 miles to return to their island homes in French Polynesia, and they arrived glowing. Before each snail was released into the wild, conservationists placed a small dot of UV reflective paint on its shell, causing the nocturnal creatures to glow blue under ultraviolet light so researchers could track their movements through the tropical forest at night. More than 7,000 of the rare Polynesian tree snails were released across four islands, making it the single largest release in the history of a conservation program that has been running for over 30 years. The little snails, known as Partula snails, were nearly wiped out when a carnivorous snail species was introduced to the islands to control a different invasive species, triggering a chain reaction that devastated the native wildlife population.
The last surviving individuals of 15 different species were rescued by conservationists and placed into breeding programs at zoos across the world, from London and Edinburgh to Detroit and Saint Louis, Missouri. Over the past decade alone, nearly 40,000 snails have been carefully raised and returned to the wild through this remarkable global effort, and the latest release brought even more exciting news with it. During the releases, scientists discovered a juvenile snail on one of the islands with no paint marking at all, confirming it had been born in the wild rather than raised in captivity, the first wild-born snail of its species spotted in over 30 years. The Partula snails are not just a conservation symbol but a vital part of the forest ecosystem and hold deep cultural significance for Polynesian communities, making their ongoing comeback one of the most joyful wildlife success stories in recent memory.
Source: https://happyeconews.com/glow-in-the-dark-snails-return-to-island-homes/
