Transcript Salamanders

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