Chances are if you live in a rural or even suburban environment, you live close to feral cats – skittish, roughened wild cats that may look like they need some human help, only to run away when approached.
These cats aren't tame and in no way willing to be a house cat and are perfectly capable of living outside on their own, whether it damages some of the ecosystems or not. You can browse https://www.allstaranimaltrapping.com/feral-cat-trapping-and-removal/ to get more info on animal trapping.
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If you find yourself surrounded by these untamed creatures, you have several options. One, you could leave them be and claim they are simply not your problem. This is a favored option for many but by no means a good one.
There are over 70 million feral cats in the U.S.A. alone and scientists rightly blame the extinction of thirty-three species of bird on that huge number of cats: cats that hunt, kill and eat all sorts of birds, reptiles and rodents.
This overpopulation could quickly lead to the extinction of other birds and maybe even some prey mammals. Plus, who wants the reek of a feral cat spraying its territory underneath and around their carport? Yuck.
The second option would be to start feeding them. This is a better choice, but still not ideal as your third option, which we'll discuss in a moment.
Feeding these cats at set times during the mornings or evenings and putting out a homemade shelter for them is a good idea – cats that aren't hungry will pounce half-heartedly and are far more likely to end up empty-pawed after the hunt. But this also leads to several other problems: spreading diseases and overpopulation.