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Bullsnake© Ellyne Geurts / CC0

Bullsnake

The Bullsnake, a large subspecies of gopher snake, is native to the grasslands and arid regions of North America and displays a striking pattern of dark blotches on a pale tan body. Adults typically grow to between 91 and 213 cm, with a notably thick, muscular build. Bold and curious by nature, bullsnakes tend to tame down well and many individuals make engaging handling companions. When threatened, they perform a dramatic bluff, inflating their bodies and vibrating their tails to mimic the warning rattle of a rattlesnake, even though they are completely harmless and non-venomous. Combined with their hardy constitution, this makes them a great choice for reptile keepers who are just starting out.

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Bullsnake key facts

Care level
Beginner-friendly
Lifespan
About 15 years on average, with records of over 30 years
Size
91-213cm
Diet
Frozen-thawed mice and rats
Temperature & Humidity
Provide a thermal gradient so the snake can choose where to sit. It prefers relatively dry conditions and needs no added humidity outside the shed cycle; when a shed approaches, offer a hide filled with damp moss or paper towel.
Enclosure
Active and an accomplished escape artist, so the enclosure must lock securely. Floor space matters more than height: an adult does best in an enclosure about 120 cm long. Because it burrows, use a deep substrate and provide hides.
Diet & Feeding
Hatchlings take mice and adults take rats. Offer prey the same size as, or slightly larger than, the thickest part of the body, once a week. The appetite is voracious, so guard against obesity from overfeeding; thawed frozen prey is the safest option.
Temperament
Most individuals are docile and handle well, though some put on a loud defensive display. Bites are uncommon, but hatchlings can be nippy and settle with regular, gentle handling.
Notes
Not listed on any CITES appendix, and not among Japan's designated dangerous animals. It is non-venomous but grows large, so secure the enclosure carefully and take care when feeding.
TraitsColubridNorth AmericaLarge speciesBeginnerSnake

About Bullsnake

A guide to the Bullsnake (gopher snake), a hardy, beginner-friendly North American colubrid. It grows 91-213 cm, lives around 15 years on average, and is known for its calm, bold temperament.

7 things to know before welcoming a Bullsnake

  1. 1Grows Large and Sturdy

    Adults reach 91 to 213 cm in length with a thick, muscular build. Plan your enclosure size with this full-grown size in mind from the start.

  2. 2A Bluffing Display

    When startled, bullsnakes inflate their bodies and rapidly vibrate their tails to mimic a rattlesnake's warning sound. It looks intimidating, but it is simply a harmless defensive bluff.

  3. 3Tends to Tame Down Well

    Many individuals are curious and bold, and once accustomed to handling they tend to stay calm. Temperament varies between individuals, so build trust gradually rather than rushing.

  4. 4Beginner-Friendly Care

    Bullsnakes are hardy and adaptable, making them a solid choice for first-time reptile keepers. As long as you maintain basic temperature and humidity ranges, they are generally easy to keep trouble-free.

  5. 5A Long-Term Commitment

    The average lifespan is around 15 years, with some records exceeding 30 years, so this is a pet you will likely share your life with for a long time. Before bringing one home, make sure you can commit to years of consistent care.

  6. 6Likes to Burrow and Hide

    In the wild, bullsnakes shelter in burrows and under cover, and captive individuals often enjoy burrowing into substrate or hiding in shelters. Providing a snug hide and enough substrate depth to burrow in helps them feel secure.

  7. 7Strong and Powerful Build

    Their thick, well-muscled bodies are surprisingly strong, so support them securely when lifting or handling. Also choose an enclosure with a sturdy, secure lid to prevent escapes.

Frequently asked questions about Bullsnake

Q.Is the Bullsnake suitable for beginner keepers?
A.Yes, bullsnakes are hardy and adaptable, making them a good choice for first-time reptile keepers. Maintaining proper temperature and humidity is the key to keeping them healthy.
Q.How large does a Bullsnake grow?
A.Adults typically reach between 91 and 213 cm in length. Since size varies by individual, it's wise to prepare an enclosure with room to grow.
Q.Is it dangerous when it mimics a rattlesnake sound?
A.This display happens when the snake feels threatened, but it is simply a harmless bluff from a non-venomous species. Approaching calmly and avoiding sudden movements keeps interactions stress-free.
Q.How long can I expect to keep a Bullsnake?
A.The average lifespan is around 15 years, with some individuals recorded living past 30. Since this is a long-term commitment, it's worth planning ahead before bringing one home.
Q.Are there any legal restrictions on keeping a Bullsnake?
A.The Bullsnake (gopher snake) is not listed under CITES.

Useful tools for Bullsnake care

🦎Reptile Temperature CalculatorView basking, cool-side, night temps, humidity & UVB requirements by species🧬Morph Genetics CalculatorCalculate morph breeding outcomes for leopard geckos & ball pythons📅Breeding CalendarVisual monthly breeding season guide for each species🍽️Feeding GuideCheck feeding frequency, portion sizes & supplements by species and growth stage🗓️Seasonal Care CalendarMonthly care events and seasonal management tips at a glanceElectricity Cost SimulatorCalculate monthly and annual electricity costs for care equipment with presets🧬Breeding PlannerSelect parent varieties to view breeding schedules and offspring patterns🧮Care Cost SimulatorEstimate initial, monthly & annual costs by category, care level and quantity⚖️Species Comparison ToolCompare two species side by side: care difficulty, size, lifespan & temperature🎯Pet Match DiagnosticAnswer 7 questions to find your top 3 perfect pets📋Lifetime Cost SimulatorEstimate lifespan and lifetime costs by species for dogs, cats, reptiles and more🚚Transport Safety CheckerCheck transport safety score and precautions by category, season, method and distance🏠Multi-Pet Budget PlannerPlan budget for multiple pets with shared and individual cost breakdown💊Medication Dosage CalculatorCalculate proper medication dosage by body weight and medicine type for fish, reptiles, and small animals⏱️Quarantine & Acclimation TimerManage quarantine periods and acclimation steps with countdown timers. Includes recommended durations by species

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