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Curious Nature

Are Black Cats Bad Luck? Maybe Not for You...

Posted by Walking Mountains Science Center on Oct 31, 2022 8:15:00 AM
Walking Mountains Science Center

As the days get closer to Halloween, you might cross paths with a black cat outdoors and think you are about to have some bad luck! While this is an extremely prevalent superstition, the “spookiest” part of seeing an outdoor cat could actually be knowing the amount of deaths they cause to native bird and mammal populations.

The fear of black cats in European culture is often traced back to Greek mythology, where Hecate, the goddess of sorcery and witchcraft, was assisted by a black cat. In the 13th century, black cats were also declared an “incarnation of Satan'' by Pope Gregory IX. As time went on and Christians began persecuting people they believed to be witches, black cats were then linked with witches and persecuted as well.

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Other cultures have different views on what it means to see a black cat. In countries such as Japan and Scotland, it has actually been known to be a sign for good luck and success!

However, the real threat that should be felt from outdoor cats is how many small mammals and birds they kill every year. In 2013, a team from the U.S. Fish and Wildlife Service and the Smithsonian Institute released a startling research paper that estimates that free-ranging domestic cats kill 1.3–4.0 billion birds and 6.3–22.3 billion mammals annually, in just the contiguous U.S. alone. While people often appreciate their ability to help control pests such as mice and rats, we cannot control for all of the other species that they hunt.
 
Black Cat with BirdA Black Cat With Bird in Mouth
 
Cats are natural carnivores and because of their popularity as pets, they have been introduced all over the world. In New Zealand, where there were few native mammals prior to colonization, native birds don’t have the instincts or adaptations to protect themselves from these invasive predators. As a response, some communities in New Zealand and Australia are making regulations about outdoor cats or even banning domestic cats altogether.

The majority of cat mortality in the U.S., about two thirds, is caused by stray cats. However, that still leaves an estimated 800 million bird deaths a year attributed to pet cats. And predation is not the only threat to bird species populations, there are still many other factors such as habitat loss and climate change that are serious threats to declining native species.

There are no good solutions for cat owners except for trying to keep their cats inside and trying to not attract feral cats by feeding them. If you want to protect birds at home, you should keep feeders away from where cats can climb or hide nearby. The stray cat population will likely never disappear and there are ethical concerns with programs such as trap-neuter-return. If a cat must be outdoors, there are effective products like Birdsbesafe collars cats can wear. Homeowners can also install in-ground electric fences to keep cats in their yards. But just knowing the threat outdoor cats pose and doing what you can to mitigate it is an important step for any cat owner or animal lover.
 
Single Black Cat
Single Black Cat

What is That? Ask a Naturalist!


Reese Farrow is a Naturalist at Walking Mountains Science Center and his family owns a pair of cute black cats but they thankfully stay indoors.


Topics: Curious Nature

Walking Mountains Science Center

Written by Walking Mountains Science Center

Our mission is to awaken a sense of wonder and inspire environmental stewardship and sustainability through natural science education.