Spotted Salamander (14882862316)

Опис:

Description: Spotted Salamander — Ambystoma maculatum, have been a focal species for amphibian monitoring at ​the USGS ​Patuxent ​Wildlife Research Center ​for ​many​ years. At one of our study ponds, we used the unique spot patterns of each salamander as a way to ​"​mark ​"​ individuals, and thus to calculate population estimates. Photo by Evan H.C. Grant, USGS.​. Date: 13 August 2014, 07:58. Source: Spotted Salamander. Author: U.S. Geological Survey from Reston, VA, USA.