lost bird

Hi my family have lost our adored cockatiel Nico on the 5/6/17 in the Medowie area of NSW AUSTRALIA. We've been walking up and down the street calling for him. We've also put up flyers everywhere and left his cage outside. I'm really worried because the wild native birds are quite territorial...

I adopted a cockatiel from the humane society some months ago. We are an adult family with other cockatiels and budgies, as well as a dog, and have been so for many years. Our son works at the humane society and told us about an available cockatiel, how nice it was, etc. and indeed, the bird...