The Lincoln County Humane Society was called in after someone found a dead deer with a rope tied to its leg in Port Dalhousie.
It was found along the Lake Ontario shoreline on Friday.
The LCHS has since removed the body.
The Ministry of Natural Resources has launched an investigation into the matter.

3 Arrested After NRP Find Cocaine
Police Looking for 2 Arsonists
Niagara Health Funding Gone Up: MPP
Wainfleet Taxes Rise Next Year
OPP Appeal for Drivers to Come Forward
Police Looking for Missing Teen
NRP Tracking Down Bail Violators
Pets Not Allowed at Thorold Cemeteries