India, April 26 -- T he rather fairytale bushy-tailed red fox can thrive almost anywhere, from icy tundras to sandy deserts. It eats indiscriminately: rodents, birds, insects, fruit, garbage, smaller animals, other foxes. It is widely regarded as one of the world's most versatile predators. It is now also one of the world's most prevalent, according to IUCN's (the International Union for Conservation of Nature's) Global Invasive Species Database. It was taken from Europe to Australia and the US in the 19th century, to be added to parks and forests for recreational hunting. In Australia, in the decades since, the fast-breeding fox has led to declines in the populations of ground-nesting birds and small- to medium-sized mammals such as the gr...