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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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Herpetology

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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


Balancers on larval ambystomid


SalamandridaeRed-spotted NewtNotopthalmus viridescens

Adult Newt

Red Eft


AMBYSTOMATIDAEJefferson SalamanderAmbystoma jeffersonianum


Jefferson Salamander


AMBYSTOMATIDAESpotted SalamanderAmbystoma maculatum


AmbystomatidaeMarbled SalamanderAmbystoma opacum


AmbystomatidaeEastern Tiger SalamanderAmbystoma tigrinum


PlethodontidaeNorthern Dusky SalamanderDesmognathus fuscus


PlethodontidaeMountain Dusky SalamanderDesmognathus ochrophaeus


PlethodontidaeRed-backed SalamanderPlethodon cinereus


PlethodontidaeSlimy SalamanderPlethodon glutinosus


PlethodontidaeFour-toed SalamanderHemidactylum scutatum


PLETHODONTIDAETwo-lined SalamanderEurycea bislineata


Two-lined Salamander


PlethodontidaeSpring SalamanderGyrinophilus porphyriticus


PlethodontidaeNorthern Red SalamanderPseudotriton ruber ruber


Frogs and Toads


Toad Topography


Frog Topography


Anatomy


Pelobatidae: SpadefootsEastern Spadefoot ToadScaphiopus hobrooki


Bufonidae: Toads

Warts: one or two in each large spot.

Three+ in each large spot.


American ToadBufo americanus


Fowler’s ToadBufo foweleri


Hylidae: Tree Frogs


Gray & Cope’s Tree FrogHyla versicolor and Hyla chrysocelis


Spring PeeperPseudacris crucifer

Hear Me!


Ranidae: True Frogs


BullfrogRana catesbeiana


Green FrogRana clamitans


Pickerel FrogRana palustris


Leopard FrogRana pipiens


Wood FrogRana sylvatica


Snakes


Scales


Anatomy: Anal Plate


Pennsylvania Snakes belong to two families:

  • Colubridae

  • Viperidae


Poisonous or Venomous?


Massasauga


Eastern CottonmouthAgkistrodon piscivorousNot found in Pennsylvania


Northern Water SnakeNerodia sipedon


Queen SnakeRegina septemvittata


Turtles


  • Turtles

  • All lay eggs on land

  • No parental care

  • In PA

    • 10 genera

    • 13 species & subspecies


carapace

plastron


Snapping TurtleChelydra serpentina


Snapping TurtleChelydra serpentina

  • long tail

  • serrate carapace (may be worn)

  • reduced, cross-shaped plastron


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 TurtleKinosternon subrubrum

Extirpated? Removed from PA Endangered list


Spotted TurtleClemmys guttata

  • Yellow spots on dark carapace

  • marshes, bogs, wooded swamps


Wood TurtleClemmys insculpta

  • sculpted carapace

  • terrestrial

  • formerly a ‘meat turtle’


Bog TurtleClemmys muhlenbergi

E


Blanding’s TurtleEmydoidea blandingi

Candidate species


E. Box TurtleTerrapene carolina


Map TurtleGraptemys geographica


Painted TurtleChrysemys picta


Redbellied TurtlePseudemys rubriventris

T


Spiny Softshell TurtleApalone spinifera


Smooth SoftshellApalone mutica


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That’s All Folks!


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