The mysterious catastrophe has taken place over a period of three weeks in Esperance, about 450 miles southeast of Perth. The area was declared a disaster zone by government officials. So far, authorities are clueless as to the cause. Autopsies on the birds have shed no light. The main casualties, according to Australian news sources, are wattle birds, yellow-throated miners, new holland honeyeaters and singing honeyeaters. Some dead crows, hawks and pigeons have also been found. Some birds were seen convulsing when they died. Wildlife officers are baffled by what they characterize as a "catastrophic" event. It does not appear...