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  • Buttressed mossy tree trunk.
  • Herbaceous pool.
  • Caddisfly cases.
  • Grassy shrub pool.
  • Jefferson Salamander (Ambystoma jeffersonianum).
  • Sphagnum tree island.
  • Spring Peeper singing (Pseudacris crucifer).
  • Sphagnum tree island close-up.
  • Spotted salamander coming out of pool (Ambystoma maculatum).
  • Swamp Darner (Epiaeschna heros).
Pennsylvania
Vernal Pools

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