Beware of the 150lb super-dingoes By Nick Squires in Sydney (Filed: 12/08/2004) Hikers in Australia are being warned about a fierce new breed of half-dingo wild dog stalking the country's mountains and forests. Abandoned or escaped domestic dogs such as rottweilers, bull mastiffs and Rhodesian ridgebacks have interbred with Australia's native dog to produce a new strain of "super-dingoes". The cross-breeds are bigger and more powerful than ordinary dingoes. One animal recently shot dead by a farmer reportedly weighed 154lb. They are killing livestock and menacing walkers, horse riders and campers along the Great Dividing Range, a chain of mountains,...