Stewart Little, General Secretary of the PSA, was shocked over the revelation Taronga Zoo had been using significant numbers of volunteers in crucial roles.

<p>Stewart Little, General Secretary of the PSA, was shocked over the revelation Taronga Zoo had been using significant numbers of volunteers in crucial roles.</p>

Tune into 2GB Drive from 3pm to 6pm each weekday.

<p>Tune into 2GB Drive from 3pm to 6pm each weekday.</p>