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Herpetology - PowerPoint PPT Presentation

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Herpetology. Spring 2004. Pennsylvania's Herpetofauna (Translation: Our state’s reptiles & amphibians). Frogs & Toads16 species Salamanders22“ Turtles13“ Lizards 5“ Snakes21“. Salamanders. Salamander Life Cycle. Spermataphores. Salamander Eggs. Salamander Larvae.

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Spring 2004

Pennsylvania s herpetofauna translation our state s reptiles amphibians l.jpg

Pennsylvania's Herpetofauna(Translation: Our state’s reptiles & amphibians)

  • Frogs & Toads16 species

  • Salamanders22“

  • Turtles13“

  • Lizards 5“

  • Snakes21“

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Salamander life cycle l.jpg

Salamander Life Cycle

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Salamander Eggs

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Salamander Larvae

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Balancers on larval ambystomid

Salamandridae red spotted newt notopthalmus viridescens l.jpg

SalamandridaeRed-spotted NewtNotopthalmus viridescens

Adult Newt

Red Eft

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AMBYSTOMATIDAEJefferson SalamanderAmbystoma jeffersonianum

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Jefferson Salamander

Ambystomatidae spotted salamander ambystoma maculatum l.jpg

AMBYSTOMATIDAESpotted SalamanderAmbystoma maculatum

Ambystomatidae marbled salamander ambystoma opacum l.jpg

AmbystomatidaeMarbled SalamanderAmbystoma opacum

Ambystomatidae eastern tiger salamander ambystoma tigrinum l.jpg

AmbystomatidaeEastern Tiger SalamanderAmbystoma tigrinum

Plethodontidae northern dusky salamander desmognathus fuscus l.jpg

PlethodontidaeNorthern Dusky SalamanderDesmognathus fuscus

Plethodontidae mountain dusky salamander desmognathus ochrophaeus l.jpg

PlethodontidaeMountain Dusky SalamanderDesmognathus ochrophaeus

Plethodontidae red backed salamander plethodon cinereus l.jpg

PlethodontidaeRed-backed SalamanderPlethodon cinereus

Plethodontidae slimy salamander plethodon glutinosus l.jpg

PlethodontidaeSlimy SalamanderPlethodon glutinosus

Plethodontidae four toed salamander hemidactylum scutatum l.jpg

PlethodontidaeFour-toed SalamanderHemidactylum scutatum

Plethodontidae two lined salamander eurycea bislineata l.jpg

PLETHODONTIDAETwo-lined SalamanderEurycea bislineata

Two lined salamander l.jpg

Two-lined Salamander

Plethodontidae spring salamander gyrinophilus porphyriticus l.jpg

PlethodontidaeSpring SalamanderGyrinophilus porphyriticus

Plethodontidae northern red salamander pseudotriton ruber ruber l.jpg

PlethodontidaeNorthern Red SalamanderPseudotriton ruber ruber

Frogs and toads l.jpg

Frogs and Toads

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Toad Topography

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Frog Topography

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Pelobatidae spadefoots eastern spadefoot toad scaphiopus hobrooki l.jpg

Pelobatidae: SpadefootsEastern Spadefoot ToadScaphiopus hobrooki

Bufonidae toads l.jpg

Bufonidae: Toads

Warts: one or two in each large spot.

Three+ in each large spot.

American toad bufo americanus l.jpg

American ToadBufo americanus

Fowler s toad bufo foweleri l.jpg

Fowler’s ToadBufo foweleri

Hylidae tree frogs l.jpg

Hylidae: Tree Frogs

Gray cope s tree frog hyla versicolor and hyla chrysocelis l.jpg

Gray & Cope’s Tree FrogHyla versicolor and Hyla chrysocelis

Spring peeper pseudacris crucifer l.jpg

Spring PeeperPseudacris crucifer

Hear Me!

Ranidae true frogs l.jpg

Ranidae: True Frogs

Bullfrog rana catesbeiana l.jpg

BullfrogRana catesbeiana

Green frog rana clamitans l.jpg

Green FrogRana clamitans

Pickerel frog rana palustris l.jpg

Pickerel FrogRana palustris

Leopard frog rana pipiens l.jpg

Leopard FrogRana pipiens

Wood frog rana sylvatica l.jpg

Wood FrogRana sylvatica

Snakes l.jpg


Scales l.jpg


Anatomy anal plate l.jpg

Anatomy: Anal Plate

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Pennsylvania Snakes belong to two families:

  • Colubridae

  • Viperidae

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Poisonous or Venomous?

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Eastern cottonmouth agkistrodon piscivorous not found in pennsylvania l.jpg

Eastern CottonmouthAgkistrodon piscivorousNot found in Pennsylvania

Northern water snake nerodia sipedon l.jpg

Northern Water SnakeNerodia sipedon

Queen snake regina septemvittata l.jpg

Queen SnakeRegina septemvittata

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  • Turtles

  • All lay eggs on land

  • No parental care

  • In PA

    • 10 genera

    • 13 species & subspecies

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Snapping turtle chelydra serpentina l.jpg

Snapping TurtleChelydra serpentina

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Snapping TurtleChelydra serpentina

  • long tail

  • serrate carapace (may be worn)

  • reduced, cross-shaped plastron

Stinkpot or musk turtle sternotherus oderatus l.jpg

Stinkpot or Musk TurtleSternotherus oderatus

  • domed carapace

  • 3-4 inches in length

  • emit foul musk from upper shell border

  • slow, shallow streams & rivers

E mud turtle kinosternon subrubrum l.jpg

E. Mud TurtleKinosternon subrubrum

Extirpated? Removed from PA Endangered list

Spotted turtle clemmys guttata l.jpg

Spotted TurtleClemmys guttata

  • Yellow spots on dark carapace

  • marshes, bogs, wooded swamps

Wood turtle clemmys insculpta l.jpg

Wood TurtleClemmys insculpta

  • sculpted carapace

  • terrestrial

  • formerly a ‘meat turtle’

Bog turtle clemmys muhlenbergi l.jpg

Bog TurtleClemmys muhlenbergi


Blanding s turtle emydoidea blandingi l.jpg

Blanding’s TurtleEmydoidea blandingi

Candidate species

E box turtle terrapene carolina l.jpg

E. Box TurtleTerrapene carolina

Map turtle graptemys geographica l.jpg

Map TurtleGraptemys geographica

Painted turtle chrysemys picta l.jpg

Painted TurtleChrysemys picta

Redbellied turtle pseudemys rubriventris l.jpg

Redbellied TurtlePseudemys rubriventris


Spiny softshell turtle apalone spinifera l.jpg

Spiny Softshell TurtleApalone spinifera

Smooth softshell apalone mutica l.jpg

Smooth SoftshellApalone mutica

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