Hear Me RoarIn the early 1980s, when Erna Walraven decided to follow her dreams and become one of the first female zookeepers in Australia, she thought her biggest challenges would be feeding big cats and subduing irate gorillas. In fact, it was her male colleagues who made work miserable, harassing and humiliating her for doing a 'man's job'. So, she looked to the animals under her care to prove them wrong. Despite what Erna's colleagues seemed to think, the