Cause of Dead Squirrels in Your Yard?


Several Dead Squirrels Found in Yard - dead grey squirrelWe have recently found about 15 dead squirrels in the same spot under an oak tree. There are no visible markings or swelling on them. They look perfectly healthy. There are no power lines, and no pets anywhere close to this area. I've called animal control and they forwarded this information to our local biologist. But we are still waiting to hear from them. There are currently 2 dead squirrels within 2 feet of each other. This happened within the last 3 hours or so. The only predators I've seen in the yard are copperheads. But again, there is no visible markings on them. Any ideas?


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Silver Answer Medal for All Time! 320 Answers
April 27, 20180 found this helpful
Best Answer

Unfortunately, the most likely explanation is that someone is deliberately poisoning them.

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September 28, 20190 found this helpful

I was just Googling about finding squirrels dead in my yard and I saw your post I have seeing one adult and four younger squirrels dead in my yard in the last 48 hours I don't know what to do

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July 13, 20200 found this helpful

Yeah I pretty much did the same thing Googled it came across this was the first post that popped up in the Google search I walked outside this morning and there was an adult Squirrel Lane dead underneath my oak tree but the weird thing is I didn't have any hair on its tail I don't know if I need to worry about rabies because of my dogs or some other condition that they had that they could ask to my dogs I know my dogs did not kill it I noticed it outside before I let them out and it was not there last night when I said at the picnic table with my dogs I'm like at a complete Panic like it's somebody putting poison in my yard or is there a disease so confusing

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October 21, 20200 found this helpful

I live in Florida and frequent a dog park. In the past week, there have been 3-4 dead squirrels in the dog park. They have not died due to the dogs and we are concerned about what is killing them.


There have also been a couple found on the golf course. Animal control is no help. Any ideas? We are concerned for our dogs.

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Diamond Post Medal for All Time! 1,298 Posts
April 27, 20181 found this helpful
Best Answer

I read on a University page online some thoughts of why squirrels that are healthy can be dead is that someone is poisoning them.

Another mentioned "a cold winter is ahead trees produce a chemical that will help the tree survive the cold and it is passed on to the acorns"

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Gold Post Medal for All Time! 677 Posts
April 27, 20180 found this helpful

Squirrels carry rabies. I am wondering if they had rabies. I would push for animal control to come to a solution.

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July 17, 20191 found this helpful

They dont carry rabies. Very very rare

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July 26, 20201 found this helpful

Squirrels do not carry rabies as per my animal control. I also find 2 dead squirrels in my backyard

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Gold Feedback Medal for All Time! 949 Feedbacks
April 28, 20180 found this helpful

This does not sound good and it is easy to see why you are concerned. It may be poison but it is strange that squirrels are dying in the same area.


  • I have found that local agencies are usually not very interested in helping anyone with "dead" animal problems but if others are having this same problem, they may listen to complaints and take some sort of action.
  • Most likely, someone will have to use a service/veterinarian that will preform a Necropolis (animal autopsy) to determine the cause of death.
  • If there is a university in your area that has veterinary courses you may be able to get them interested in this problem.
  • If no one will listen to your concerns, you may be able to contact your councilman (used to be alderman?) and ask for their help.
  • I have had good luck contacting my senator about similar problems as they do have an obligation to at least answer your letters. Their office will usually contact the appropriate person in your area and since they have to respond to the senator, they will usually contact you.


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April 28, 20180 found this helpful

Is it possible they could have gotten electrocuted from running across the power lines?

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August 31, 20180 found this helpful

I have found 5 dead squirrels in my yard. And I see slow squirrels that do not run away and struggle to move around slowly. I walk right up to them and they sit there and look at me as I try to shoo them up a tree. The oaks dropped 5x s more acorns here covering the yards then i have ever seen.


I check the yard before I bring the dog out and double bag the dead ones and spray 91% alcohol rite where I find the carcasses. I found another sick one today and put it down. Scary I worry for our just rescued Shepard Bella. Champlin MN

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November 4, 20190 found this helpful

We are in Maple Grove just south of Champlin. We have had 2 dead squirls in 2 days (Nov 3 and 4). No apparent cause

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September 10, 20182 found this helpful

What most are not commenting on, as the squirrel bodies stack up, is that, in the roadways, the bodies are littering the side of the road more than they are getting flattened on the road.


I was told that something had been sprayed, here in Maine, to knock back mosquitoes carrying West Nile Virus.
It is doing more than that.
I think state and federal agencies had better look into whats been sprayed and what, if any, long term effects the products used may have on the environment.
If its killing squirrels at such a prodigious rate, what will happen if it carries over into our bloodstreams.
Is this now in our ground water?
How much unseen wildlife is just collapsing, unseen, in forested situations?
I think this was a harsh, mistaken attempt that implies broad environmental harm.

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January 12, 20201 found this helpful

Hi, I've found 5 dead squirrels in my yard in the last 2 weeks, 3 today alone. They are adults and all healthy except for a small wound in the belly on the last 2. I didn't examine the others to see if they did also. They look like they just laid down and went to sleep. This is Jan 2020 in the Denver area.

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September 28, 20201 found this helpful

I know that you posted this comment 2 years ago, but I agree with what you are saying. In the past few months I've seen an awful lot of "roadkill" and dead animals on the roads. Most of them being squirrels. Most of them don't even look like they were ran over or anything, they just looked like they were lying there, in an abnormal position when I saw them

Just from going to a trip to the store, and to the doctor, I've seen 3 different dead squirrels.

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March 4, 20210 found this helpful

2 dead squirrels in our back yard in the last hours. One dead, one dying. Both have small belly wounds, both found in the same "pose" on their bellies, back legs splayed out. Poor creatures. We're in MN. 2021 March.

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September 28, 20201 found this helpful

I have also found a dead squirrel in my yard. It was an adult, perfectly healthy with no obvious sign as to how it died. It had no abnormal marks or patterns on it, and it was one of the healthiest squirrels I've ever seen, and I live next to the woods! There was no swelling or anything to indicate if it was poisoned or not, but it was lying next to the fence when I found it. It's body was laying straight, almost as if it was electrocuted, but there were no signs to say so. This was the first time we've ever found a dead squirrel in our yard, as they never really stick around, they always stay in the woods.

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