Definition
A dusky salamander is any salamander belonging to the *Desmognathus* genus. These salamanders are typically found in the eastern United States, inhabiting streams, seeps, and damp woodlands. They are known for their robust bodies and their preference for aquatic and semi-aquatic environments. Think of them as the 'water babies' of the salamander world. They are crucial components of their ecosystems. Their presence or absence can indicate the health of their habitat. They're often studied as indicators of environmental change.