They were imported for farm and utility work; recreational riding and racing were not major activities.
By 1800, only about 200 horses are thought to have reached Australia.
"She's never actually raised a foal; she's never been a mum," Glasson said.
"So she might be thinking that this is her chance." The family has been bottle-feeding the calf under Moonshine's close supervision.
This was despite the fact that chariot racing was often dangerous to both driver and horse as they frequently suffered serious injury and even death.