The MSPCA treats and releases them in attempt to manage population
More feral cats have already been reported on the Island this year than in the whole of 2021 put together.
The MSPCA has treated 38 as part of its Trap, Neuter and Release programme since January compared to 36 last year.
The charity is now trying to raise more money for the scheme with a new merchandising campaign featuring a Manx ginger cat and Jeff the dog, their longest serving resident, who's been there for three years.
We've been finding out more, with the help of Smokey, Mitts and Hayden: