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FAMILY
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SILHOUETTE
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KEY
CHARACTERISTICS
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ILLUSTRATIONS
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Ambystomatidae
(Mole
Salamanders)
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* 6 inches is smallest adult |
Slender bodies with long
tails. Distinct body regions with arms and legs of equal size, smooth
skin, distinct costal grooves, teeth in roofof mouth in transverse
row, absence of nasolabial groove.
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Scaphidae
(Tailed Frogs)
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* 1 1/2 inches is smallest adult |
Small size (less
than 2 inches), outermost hind toe widest, Male has tail-like copulatory
organ, vertical pupils, rough skin.
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Pelobatidae
(Spadefoot
Toads)
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* 2 inches is smallest adult |
"Spade" on each hind foot,
vertical pupils, no parotoid glands, teeth in upper jaw, relatively smooth
skin, Less than 2.5 inches long, most have boss between eyes.
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Bufonidae
(True Toads)
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* 3 inches is smallest adult |
Stocky build, parotoid
glands, warty skin, horizontal pupils, no teeth. Most are over 3
inches long at maturity.
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Hyladie
(Tree Frogs)
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* 3/4 inches is smallest adult |
Small size (less than
2 1/4 inches), slender body and legs, horizontal eyes, long toes and most
have toe pads.
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Ranidae
(True Frogs)
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* 2 inches is smallest adult |
Slim waist, long legs
with pointed toes and extensive webbing, horizontal pupils, dorsolateral
folds, smooth skin excellent jumpers.
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