The case for controlling the cat population

Feral cats are an invasive species

A cat and birds.
(Image credit: Illustrated | GlobalP/iStock, grynold/iStock)

An unfamiliar smudge suddenly appears against the forest fragment I'm birding. Voice shrill, hands waving high, I charge across the field toward it. The inky smudge vanishes into the woods. It's a cat. It has been over a year since the last cats were lurking around my yard, so the appearance of this new cat has me on edge. The previous stable tenants, next door, left a litter of kittens behind when their lease was over. I went to great lengths to trap the litter, prevent them from being eaten by the local fox, and then to rehome the three that survived. Sure, we could have left them to starve, to be attacked by wild animals, and let nature sort it all out, but cats are not a part of nature, they are a domesticated species, and when they impose upon the natural landscape they are pests; therefore, it was my responsibility to act in their best interest and in the interest of the environment.

Each year over 100 different species of bird pass through my yard, which is along a main artery of the Potomac River, and sandwiched between a mountain and extensive farmland. Many species stay to breed, nest, and raise young, so when I saw that inky smudge stalking the property, I did what any true bird-lover would do: I took down my feeders and stopped attracting birds to my yard. It was an aggravating time because I wanted to be visited by my resident winged beauties, but I also felt a sense of duty to protect them from the cat, so in addition to taking my feeders down, I began cat-watching. Aside from the injury to wildlife and birds, which inevitably took place over the course of the year that little smudge stalked my yard, my main worry was that a feral cat colony might form nearby.

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Orietta Estrada

Orietta Estrada is a bird-centric writer and editor of The Maryland Yellowthroat — a publication of the Maryland Ornithological Society.