On approach to Lyn John’s Sydney home, screeches, whistles and tweets get louder and louder with each step. As a foster mother to 60 birds, Lyn’s residence features a back patio lined with large animal enclosures, as well as, two rooms that have been transformed into aviaries. Six years ago, Lyn launched her bird foster service and currently works alongside 12 other carers across Sydney. Some of the bird breeds staying with Lyn include a love bird, cockatoos, galahs, lorikeets, Indian ring-necks and a rare, endangered Amazon, named Lola. As a feather fosterer, Lyn’s day begins at five-thirty in the morning cleaning the cages and feeding her friends a “gourmet” mix of sweet potato, kale, bok choy, carrot, cauliflower, red cabbage, chia, quinoa, rolled oats, capsicum and squash. Lyn cares…