Llano de las Flores Minute Salamander

Thorius boreas, commonly known as the boreal thorius, is a species of salamander in the family Plethodontidae. It is endemic to Oaxaca, Mexico, and only known from the Sierra Juárez. Its natural habitats are pine-oak and fir forests, often at forest edges. It is threatened by habitat loss (logging), although it does explain the dramatic decline that this species has seen.

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