Red crabs begin their migration on Christmas Island. Photo: parksaustralia.gov.au A passion for the natural world drives many of our adventures. And when we’re not actually outside, we love delving into the discoveries about the places where we live and travel. Here are some of the best natural history links we’ve found this week. 50 million crabs shut down roads in Australia: Millions of red crabs descended on the roads and bridges of Christmas Island, Australia. It is the largest migration of crabs in the world. Every year, the scarlet crabs leave the forests in October or November to begin their march to the ocean. The exact timing of their exodus of the forest depends on the rainfall and phase of the moon. The crabs move through a number of residential areas on their migration and bring impacted towns to a standstill. Baby seals can change the tone of their voice: Seal pups can imitate sounds; this trait is very rare among mammals. A rehabilitation centre played recorded noises from Denmark’s Wadden Sea to harbor seal pups before releasing them back into the wild. The pups lowered their pitch when they heard louder sea noises. One seal produced louder calls…
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Science Links of the Week – Explorersweb »
