From abc.net.au:
Who makes Zoo babies?
Her name is Tamara Keeley and she is a Reproductive Technician with Dubbo's Western Plains Zoo.
Tamara's job is all about monitoring the zoo's entire collection of animals to see when they might best be able to breed.
She also looks at ways of improving their environment so that they'll be more receptive in producing offspring.
... (more - including audio "Tamara explains more about her fascinating role at the zoo")