Ključne riječi: Nature at Your Door Frank Taylor, Red-backed Salamander, Eastern Red-backed Salamander, Red Backed Salamander, Red back Salamander, Salamanders, Plethodon cinereus, Plethodon, Lung-less salamanders, lungless salamanders, Identification, biomass, trophic levels, forest ecosystem, most dominant forest vertebrate, vertebrate biomass, vertebrate numbers, forest ecology, forest food chains, biology, natural history, outdoor education, home school, biology education, natural history education
Dužina videa: 11:42