Transcript Salamanders
Salamanders
Amphibians vs. Reptiles
Both: ectothermic (cold-blooded), secretive, members of food chain
Amphibians
Moist skin, can breathe through it
2 different life stages
Defense = poison in skin
Frogs, salamanders, toads, newts
Reptiles
Scales, dry skin
Breathe air through lungs
Nails and teeth, venom
Habitat differences
General Salamander Info
Classifications: salamanders, newts, sirens, caecilians
Largest species: Chinese giant salamander (5ft)
Smallest species: seepage salamander (1-2in)
88 species in NC
Aquatic and terrestrial habitats
Water essential
Role in the Ecosystem
Balance insect and invertebrate populations
Natural pest control
Prey for mammals, birds, fish
Secondary consumer
Indicator species
More?
Spotted Salamander
Black body, distinct spots on body
East US from Canada to Texas
Carnivores
Unique spot code
Cowan’s Ford research
Marbled Salamander
Gray to black with silvery crossbands
NE US to Georgia
Woodlands
Carnivores
Tiger Salamander
Largest terrestrial salamander in the world (13in)
Stripes from yellow to orange
Coastal plain on NC
Northern Mexico to southern Canada
Dig burrows
Generalist predators
Red Spotted Newt
3 life stages
Larva, eft, adult
Efts are toxic and bright red, have mimics
Adults are green with red spots
Eastern US
Carnivores
And Many More!
Aquatic, terrestrial, gills, lungs, no lungs, small, large – a large range of
characteristics
Incredible diversity
Threats (main 6), cryptic species, more research needed!
Additional resources:
www.herpsofnc.org
www.savethesalamanders.com