The collection tin was on a chain on the shop counter.
The last time Mr Edwards checked the tin, it was half full.
"I was getting excited to count it," he said.
Mr Edwards� role at the rescue centre includes cleaning the bird cages, bobtail tanks and kangaroo enclosures.
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READ NOW"I was really upset when I found the collection tin was gone," he said.
"I know how hard the volunteers work and how much the money could help the animals."
To make a donation, call the rescue centre on 9582 3938.