Eastern Box Turtle Terrapene carolina. Reptile. Photograph taken by the author. Copyright © 2025 Now I Wonder. All rights reserved.

Complete Guide To The Eastern Box Turtle

Eastern Box Turtle

Adult Eastern Box Turtle Images

Baby Eastern Box Turtle Images

How To Identify Eastern Box Turtles

  • Eastern Box Turtles grow to 8.5 inches (21.6 cm).
  • Their dark brown or olive-green shells are highly domed and decorated with ornate tan or yellow markings.
  • Females usually have yellow-brown eyes, while males have red eyes.
  • Eastern Box Turtles have elephantine feet and hard, horny beaks instead of teeth.
  • Eastern Box Turtles are common across North Carolina but not abundant.
    • Look for them in moist, forested areas, especially in the early morning or after a soaking rainstorm.
    • They are terrestrial but sometimes enter water during hot, dry weather.

Eastern Box Turtle Notes

  • Like many turtles, they live a long time and reproduce slowly.
    • Female Eastern Box Turtles can store sperm and fertilize eggs for many years after a single mating (Behler and King 2020).
  • Many predators feed on Eastern Box Turtle eggs such as snakes like Black Racer Snakes (Coluber constrictor) and Eastern Kingsnakes (Lampropeltis getula getula), and mammals like Raccoons (Procyon lotor).
  • Unlike many North Carolina turtles, Eastern Box Turtles can close themselves completely into their shells when threatened. Their plastrons (the bottom half of their shells) have hinged flaps that close tightly against the carapace (the upper half of their shells).
    • Eastern Box Turtles withdraw their heads, legs, and tails into their shells, then clamp their hinged plastrons closed.
    • Their shells provide the turtles superb mechanical protection. Few predators have the jaw gape or strength to crack the hard, domed shells, and few have the dexterity or strength to pry open their shells.
    • Unfortunately, while their habit of withdrawing into their shells and waiting out threats works very well against natural animal predators, it works against Eastern Box Turtles in areas with lots of humans.
      • Many, many Eastern Box Turtles are run over by cars every year, which are unfortunately heavy enough to crack the turtles’ shells and crush the animals inside.
  • Eastern Box Turtles are omnivores; they eat a wide variety of plants, animals, and fungi. Some favorite foods include:
    • Plants and seeds from:
      • family Ericaceae (Heaths) – genera Vaccinium and Gaylussacia
      • family Rosaceae (Roses) – genus Rubus (Figueras, Green, and Burke 2021, https://doi.org/10.3390/d13080345)
    • Earthworms
    • Slugs and snails
    • Fruits like wild strawberries
    • Fungi (including fungi toxic to humans)
    • Insects, including beetles, ants, and caterpillars.

Eastern Box Turtle Classification

Phylum

Chordata

Class

Reptilia

Order

Testudines

Family

Emydidae (Pond and Box Turtle family)

Genus

Terrapene

Species

T. carolina

Binomial Name

Terrapene carolina

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Christine
Christine is the creator and author of NowIWonder.com, a website dedicated to the animals and plants that share our world, and the science that helps us understand them. Inspired by lifelong exploration and learning, Christine loves to share her knowledge with others who want to connect with wild faces and wild spaces.

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