Authorities are appealing for information following the death of a wallaby believed to have been shot on Wednesday 24 July at Broken Head, south of Byron Bay.
The gruesome discover was made by visitor on Tallow Beach who found a wound visible at the top of the head near the left ear.
A live joey was removed from the Wallaby's pouch and is being cared for by WIRES Northern Rivers.
National Parks and Wildlife Service (NPWS) Byron Coast Area Manager, Sue Walker said a further examination revealed the entry wound at the top of the head and an exit wound through the jaw of the animal.
"We are appealing for any information that may assist this investigation by contacting NPWS on 66209300," Ms Walker.
"It is illegal to harm protected wildlife and to possess or discharge a firearm in a nature reserve", she said.
"It is also a serious concern that a person is in possession of and discharging a firearm in this very popular a public place adjacent to a caravan park."
Byron Bay Police will increase patrols in the area.
Sharron McGregor WIRES Northern Rivers said the joey is very tiny and its chances of survival are it touch and go.
"People can follow the progress of our efforts to save this little guy via our carer stories on our website www.wiresnr.org ", Sharron said.
"We are asking people to be vigilant for suspicious activity and to report injured wildlife to the WIRES hotline 02 66281898.
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