Poisoned great horned ow;
Human Impact

“Silent Screams: How Rat Poison Is Devastating Owls

Every night, I’m lucky to hear the deep, stuttering hoots of Great Horned Owls echoing through my neighborhood: hoo-h’HOO-hoo-hoo. Sometimes, the male and female of a breeding pair call back and forth in a duet, with the female’s voice sounding higher than the male’s. It’s like a secret nighttime concert, hidden in the trees. It breaks my heart to know that some of my neighbors are using rat poison — a danger that could devastate these majestic owls I’m so lucky to hear each night.

Why Is Rat Poison Devastating Owls And Other Wildlife?

Dead rat lying on a sidewalk.
Photo: Dead rat on a sidewalk. Credit: Barbara Gabay, iStock

When you think of rat poison, you probably imagine it just killing rats, right? Sadly, that’s not the whole story. Rat poison doesn’t stay where we put it — it spreads through the food chain and hurts animals that have never even touched it. Second-generation anticoagulant rodenticides — a fancy name for some of the strongest rat poisons — don’t kill right away. Rats that eat the poison can live for days before they die. That means they’re still walking around and easy for predators like owls, hawks, bobcats, and even mountain lions to catch. When these hunters eat the poisoned rats, they end up getting poisoned too.

Rat Poison Is Devastating Owls is a huge problem. Studies show that a huge number of raptors (birds of prey like hawks and owls) and mammals are testing positive for rat poison. In some places, almost every tested animal had poison in its system!

Animals that eat poisoned prey might bleed internally, get really weak, or even die. Young animals are especially at risk because their bodies are still growing.

This isn’t just sad for the animals — it’s a disaster for ecosystems. Predators keep rodent populations in check naturally. When predators die, rat numbers can explode, causing even more problems for people and farms. It’s like pulling out an important piece of a Jenga tower — the whole thing starts to wobble.

And when owls are in trouble, the whole food chain feels it–and that’s scary for all of us.

Nature Can Heal: Choosing Safer Solutions to Save Our Predators and Ecosystems

If you find a sick animal, call your local wildlife rescue center right away. If there isn’t one nearby, you can call Poison Control for advice. Also, speak up! Ask your local leaders to support laws that limit the use of dangerous rat poisons.

Stay tuned for more ways humans are affecting the planet here!

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