Griffith University's Dr Ali Sammel said the animals had the potential to reduce the impact of climate change.
She said concerns over colonies were "unfounded" and could be detrimental to the city's ecosystem.
"A bat will go up to 100km a night, so what that means is, it will feed on some type of pollen locally but then it'll fly up to somewhere like Brisbane, so what it's actually doing is increasing the genetic diversity of all the forests in a 100km radius," she said.
She said the bats' direct ability to foster biodiversity made them one of Queensland's keystone species.
"Which means that they're the main species or the most important species in the whole ecosystem," she said.
"They play such a great role, yet people don't know that.
"They don't realise how important they are and so they're very misunderstood, because when people think of bats, most of the time people think they're smelly, they're noisy and they're disease ridden, which is absolutely not true."
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