• October 19, 2025

Black Snakes in Missouri: Types, ID & Safety Guide

So you've spotted a black snake slithering through your Missouri backyard? Take a deep breath. Nine times out of ten, it's nothing to panic about. Having grown up near the Ozarks, I've seen dozens of these misunderstood creatures. Honestly, most folks get scared over nothing. Let's talk real facts about Missouri's black snakes – what they are, why they're actually helpful, and when you should genuinely worry.

Quick Reality Check

Missouri has ZERO venomous snakes that are solid black. That shiny black serpent in your garden? It's almost certainly harmless.

Meet Missouri's Common Black Snakes

Contrary to popular belief, "black snake" isn't one species. Here are the usual suspects you'll encounter:

Species Scientific Name Adult Length Distinctive Features
Western Ratsnake Pantherophis obsoletus 4-6 feet Weakly keeled scales, white chin/throat
North American Racer Coluber constrictor 3-5 feet Matte scales, large eyes, nervous behavior
Plain-bellied Watersnake Nerodia erythrogaster 2-4 feet Orange/red underside, found near water
Eastern Kingsnake Lampropeltis getula 3-4 feet White/yellow chain-like bands

Funny story – last summer, my neighbor called me in a panic about a "giant black cobra" under his porch. Turned out to be a western ratsnake sunning itself. Took photos to prove its harmless nature.

Why Do These Snakes Turn Black?

Three main reasons for the dark coloration:

  • Camouflage - Blends into shadowy areas
  • Thermoregulation - Absorbs heat faster than lighter colors
  • Genetic adaptation - Regional color variations

Where to Find Black Snakes Across Missouri

Spotting patterns based on years of herping:

Region Most Common Species Habitat Hotspots
Ozark Mountains Western Ratsnake Rocky outcrops, abandoned barns
Northern Plains North American Racer Tallgrass prairies, field edges
Mississippi Lowlands Plain-bellied Watersnake Swamps, riverbanks, wetlands
Glaciated Plains Eastern Kingsnake Woodland edges, near streams

During spring migration, I consistently find racers along Katy Trail near Rocheport. They love the rock walls warmed by morning sun.

Myths vs Facts: Missouri's Black Snakes

Let's bust dangerous misconceptions:

Dangerous Myths

  • "Black snakes chase people" → Actually fleeing but follow zig-zag escape paths
  • "They mate with copperheads" → Biologically impossible
  • "Kill them to protect pets" → They eat venomous snakes!

A local farmer near Jefferson City killed several ratsnakes last year thinking they threatened chickens. Months later, his barn was overrun with rats. Irony bites hard.

Actual Risks to Consider

  • Non-venomous but can deliver painful bite if cornered
  • Musky defensive odor (smells like rotten potatoes)
  • May enter attics/basements seeking rodents

When You Actually Spot Black Snakes in Missouri

Practical steps from experience:

  1. Freeze and identify - Look for head shape, eye size, scales
  2. Give escape space - Slowly step back 5+ feet
  3. Use deterrents if recurring - Ammonia-soaked rags, vibrating snake repellents
  4. Contact professionals for removal - Try Missouri Department of Conservation (free service)

Last July, a racer got trapped in my garage. Rather than panic, I opened both doors and waited 20 minutes. Problem solved itself.

Handling Bites (Rare but Possible)

Despite being non-venomous, their bites require care:

  • Wash with soap and warm water immediately
  • Apply antibiotic ointment
  • Watch for infection signs (redness/swelling)
  • No tourniquets or suction - This causes more damage

Why You Should Appreciate Black Snakes

These unsung heroes provide ecosystem services:

Benefit Impact Economic Value
Rodent control 1 snake eats 50+ rodents/year Saves $300+ in pest control
Venomous snake control Kingsnakes eat copperheads/cottonmouths Prevents costly ER visits
Insect reduction Young snakes eat ticks/cockroaches Natural pest management

My uncle's soybean farm near Columbia stopped using rodenticides after realizing ratsnakes reduced vole damage by 70%. Smart move.

Protection Status in Missouri

Legal considerations matter:

  • All native snakes are protected under Missouri Code 3 CSR 10-9.110
  • No killing except imminent danger
  • $500+ fines for violations
  • Special permits required for relocation

Frankly, most game wardens won't pursue small violations unless snakes are intentionally tortured. Still, why risk it?

Common Questions About Black Snakes in Missouri

Are any black snakes in Missouri poisonous?

Nope. Zero venomous solid-black snakes exist here. Watersnakes often get mistaken for cottonmouths though.

What eats black snakes in Missouri?

Hawks, foxes, coyotes, and larger kingsnakes. Eggs get eaten by raccoons and skunks.

Do black snakes keep copperheads away?

Kingsnakes do eat venomous snakes, but ratsnakes typically avoid them. Don't rely on them for "security."

How to tell a black rat snake from a racer?

Rat snakes have weakly keeled scales and flat bellies. Racers have smooth scales and round bodies with big eyes.

Best time to see black snakes in Missouri?

April-June mornings when they bask on roads. September-October when migrating to hibernation sites.

Personal Encounter: When Black Snakes Become Neighbors

Back in 2019, a female ratsnake took residence in my shed. At first, I hated the idea. Then I noticed:

  • Disappearing mice nests within weeks
  • Fewer spiders in stored equipment
  • She avoided human contact unless cornered

By summer's end, I'd named her "Velma" and appreciated her pest control. Moral? Coexistence beats conflict.

Resources for Missouri Residents

Where to get reliable help:

  • MDC Snake ID Hotline: (573) 522-4115 ext. 3116 (free identification)
  • Permitted Relocators: Search Missouri Wildlife Control Association database
  • Emergency Bite Care: University Hospital (Columbia) or Barnes-Jewish (St. Louis)

Remember this golden rule: if you see black snakes in Missouri, chances are they're doing more good than harm. Understanding their true nature transforms fear into respect. Now go enjoy that snake-free garden they're protecting!

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