Nearly 100 Rattlesnakes Found Under a Single California Home!

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Written by Sharon Parry

Updated: November 10, 2023

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Southern Pacific Rattlesnake (Crotalus viridis helleri)
© iStock.com/johnaudrey

Key Points:

  • As the below video reveals, Al Wolf from Sonoma County Reptile Rescue spent around four hours underneath a house and found a total of 92 rattlesnakes (59 were babies).
  • Rattlesnakes usually live on their own; however, depending on the food resources available, an area could be densely populated with rattlesnakes.
  • Rattlesnakes are independent right after birth, but many rattlesnake moms hang out with their babies for a couple of weeks. The only time when rattlesnakes pile up together is during brumation, but some dens have been active for decades.

Finding one rattlesnake can be a scary experience but can you imagine how you would feel if you found nearly a 100 under your own house! This is what happened to one shocked homeowner in Santa Rosa but luckily a local reptile rescue expert was on hand to help out.

Sonoma County Reptile Rescue is a not-for-profit organization that assists homeowners with exactly this sort of situation. Al Wolf from the center explains that he got a call from a local woman who had spotted a rattlesnake under her house.

Rattlesnakes are found in many areas of the United States but they do not seek out human company! In fact, they would rather not have anything to do with humans at all. They make the rattle sound as a warning that you should leave them alone. Their venom is highly dangerous and can make humans very ill if antivenom is not available. In some cases, it can be deadly.

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Al Wolf had brought his “grabber” and a thick pair of gloves and bravely crawled into the space under the house to look for snakes. He was in luck! Within a minute he found one and thought the job was over. However, we soon find out that this was far from the case.

As soon as the first snake was safely stored in a bucket, Wolf spotted a second snake. Then he moved a rock and found a third, quickly followed by two babies!

In total, Wolf spent around four hours underneath this house and found a grand total of 92 snakes. Of these, 59 were babies.

Snake, Fang, Rattlesnake, Poisonous, Aggression Snake, Fang, Rattlesnake, Poisonous, Aggression

Rattlesnakes’ venom is dangerous and can make humans very ill if antivenom is not given after a bite.

©iStock.com/johnaudrey

Is this Normal Behavior for Rattlesnakes?

One might be wondering if rattlesnakes living in a huge nest is a common sight. However, it all depends. The eastern diamondback rattlesnake babies live in the same place as their mothers for almost two weeks, or until they shed for the first time. Researchers are discovering that rattlesnakes are more social than once believed, and babies often associate with their mothers the year following their birth.

Of course, theyโ€™re most likely to be found with other snakes is during winter brumation. It has been observed that they can also share that space with not only snakes from other species, but also other animals, such as turtles and other invertebrates and even small mammals. These ‘dens’ are also known as hibernacula.

Santa Catalina rattlesnake

Snakes may be found together in winter months during brumation.

©iStock.com/Jay Pierstorff

This is unusual event was something that the rattlesnake rescuer had not seen before. Most rattlesnakes live a solitary life but they will share resting spaces, especially with their young, which seems to be what was happening here.

This story has a happy ending for everyone concerned. Thanks to Wolfโ€™s expertise, all the snakes were safely removed and no one was hurt. They were stored in secure plastic containers and transported to a privately owned location that is a long way away from human activity. Wolf describes it as being, “Away from people and private property. It’s a beautiful animal. It belongs out there.” 

While Wolf may have found the whole experience delightful, the poor homeowner felt very differently. She wished to remain anonymous as she does not want her neighbors to know about her deadly and numerous house guests. However, we do discover that she had remarked on the absence of rodents around her house lately โ€“ now she has the explanation! Rattlesnakes eat mice and rats โ€” they are obligate carnivores and must have meat to survive. With that many mouths to feed, no wonder the local rodent population was reduced!

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About the Author

Dr Sharon Parry is a writer at A-Z animals where her primary focus is on dogs, animal behavior, and research. Sharon holds a PhD from Leeds University, UK which she earned in 1998 and has been working as a science writer for the last 15 years. A resident of Wales, UK, Sharon loves taking care of her spaniel named Dexter and hiking around coastlines and mountains.

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