Fern Bank Salamander vs. San Marcos Salamander
The Blanco River (Fern Bank) runs into the San Marcos River a few miles below Spring Lake (San Marcos). A: Bigger and stouter: 2 to 3 in in the Fern Bank Salamander; tiny and very slender: 1.5 to 2.4 in in the San Marcos Salamander. B: Brown with fine pale flecks and small dark spots all over in the Fern Bank Salamander; plain light to reddish brown with a single row of pale flecks along each side in the San Marcos Salamander. The San Marcos Salamander lives only in Spring Lake and the first stretch of the river, among plants and algae.
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