BASEBALL-sized hail stones have taken a toll on one of Brisbane's largest bat colonies at Mt Ommaney.
Hundreds of flying foxes were killed during the storms which hit their Westlake Dr home two weekends ago.
RSPCA wildlife nurse Jessica Vincent said the injured creatures were still being rescued late last week.
"So far we've had around 100 bats come in during the last 48 hours," she said.
"We believe there are still many babies injured high up in the trees.
"Some of them have broken wings, head trauma as well as secondary issues of dehydration."
Ms Vincent said the storms couldn't have hit at a worse time, with the RSPCA already seeing a high spate of bat rescues due to netting entrapments.
The increase has also left bat carers with their hands full.
"We are really filling up the carers and there is always a need for extra carers," Ms Vincent said.
"Anyone who is vaccinated is encouraged to help."
Ms Vincent said the Mt Ommaney bat colony did not usually see this extent of devastation during storms.
"This was a freak event," she said. "This sort of devastation is usually common only during cyclones."
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