ID Guide to RATSNAKES Found in Oklahoma! (2 species)
There are 2 types of rat snakes that live in Oklahoma.
But before we begin, I wanted to define exactly what I mean when I say “rat snake.”
First, rat snakes are members of the family Colubridae, and most of the species in North America are in the genus Pantherophis.
Second, they are constrictors, and their favorite prey is rodents, such as mice and rats. As you can probably guess, this is how they get the name RAT snakes. 🙂 Because of their affinity for rodents, you can often find rat snakes in Oklahoma near barns and abandoned buildings where their favorite food tends to hang out.
Lastly, rat snakes are non-venomous and mostly docile, although they can become defensive when threatened or grabbed. In fact, certain types of rat snakes are some of the most popular snakes kept as pets.
Enjoy! I hope you learn how to identify the different types of rat snakes that live in Oklahoma!
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#1. Great Plains Ratsnake
- Pantherophis emoryi
Identifying Characteristics:
- Adults range from 36 to 60 inches long.
- Coloration is light gray or tan with dark gray, brown, or green-gray blotching down its back.
- A spear-shaped mark on the head and stripes on the sides of the head that meet to form a point between the eyes.
- Also sometimes called Emory’s Rat Snake, Brown Rat Snake, or Chicken Snake.
Great Plains Ratsnakes can be found in Oklahoma in open woodlands, rocky, wooded hillsides, semi-arid regions, and agricultural areas. Being nocturnal, they are hard to find and spend most of their days in old mammal burrows or under rocks, logs, boards, and other cover objects.
This species prefers to prey on rodents but may also consume small birds, lizards, and frogs. They are also known to hunt bats and are sometimes found near caves hunting them! Like other rat snakes, they’re constrictors and use their strong coils to suffocate prey before eating it.
When disturbed, the Great Plains Ratsnake will curl up and vibrate its tail which sounds remarkably like a rattlesnake when done in dry leaf litter. Though they’re considered non-aggressive and docile, they may strike if grabbed.
#2. Western Ratsnake
- Pantherophis obsoletus
Identifying Characteristics:
- Adults range from 42 to 72 inches in length though individuals up to 101 inches have been recorded.
- Coloration varies. Adults can be completely black to gray to pale brown to yellowish with black, brown, or gray blotches.
- Also commonly called the Texas Ratsnake!
Western Ratsnakes occupy various habitats in Oklahoma, including agricultural areas, dense woodlands, forested river valleys, and rocky hillsides. They’re excellent climbers and are found often in trees, and will frequently use cavities in trees for shelter.
Western Ratsnakes are active hunters and constrictors preying on small mammals, nestling birds, bird eggs, tree frogs, and lizards. They suffocate larger prey with their coils but often swallow smaller prey without constriction.
When disturbed, these snakes often freeze to avoid detection. If harassed, they will raise their heads and vibrate their tails to mimic a rattlesnake. And if they continue to be provoked or grabbed, they will strike their attacker as a last defense.
This species is susceptible to habitat destruction, fragmentation, and alteration. They’ve also been impacted by Snake Fungal Disease and are sometimes mistaken for rattlesnakes and killed.
Do you need additional help identifying snakes?
Try this field guide!
Which of these rat snakes have you seen before in Oklahoma?
Leave a comment below!
