Although domestic cats (Felis catus) can make wonderful pets, they threaten birds and other wildlife and disrupt ecosystems
Outdoor domestic cats are a recognized threat to global biodiversity. Cats have contributed to the extinction of 63 species of birds, mammals, and reptiles in the wild and continue to adversely impact a wide variety of other species, including those at risk of extinction, such as Piping Plover.
The ecological dangers are so critical that the International Union for Conservation of Nature (IUCN) lists domestic cats as one of the world’s worst non-native invasive species
Predation by domestic cats is the number-one direct, human-caused threat to birds in the United States and Canada.
In the United States alone, outdoor cats kill approximately 2.4 billion birds every year. Although this number may seem unbelievable, it represents the combined impact of tens of millions of outdoor cats. Each outdoor cat plays a part.
Consider what you can do to reduce these numbers. Keep your cats indoors, train your cats on leashes, build a catio-patio. Find out more about how cats are affecting our delicate ecosystems American Bird Conservancy