What discovery of prehistoric ostrich shells in Andhra means Sub: Environment Sec: Species in news  Context: A team of archaeologists discovered a 41,000-year-old ostrich nest (world’s oldest known ostrich nest) in Prakasam, Andhra Pradesh, led by Devara Anil Kumar from MS University, Vadodara. The nest, measuring 9-10 feet in width, originally housed 9-11 […]