Home Archived April 13, 2016
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U. S. Geological Survey - click to go to the USGS homepage
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Tadpoles and Mouthparts
click images to enlarge

Northern Cricket Frog
(Acris crepitans)

Northern Cricket Frog (Acris crepitans) - click to enlarge

American Toad
(Bufo americanus)

American Toad (Bufo americanus) - click to enlarge

Fowlers Toad
(Bufo fowleri)

Fowler’s Toad (Bufo fowleri) - click to enlarge

Eastern Narrow-mouthed Toad
(Gastrophryne carolinensis)

Eastern Narrow-mouthed Toad (Gastrophryne carolinensis) - click to enlarge

Copes Gray Treefrog
(Hyla chrysoscelis)

Cope’s Gray Treefrog (Hyla chrysoscelis) - click to enlarge

Spring Peeper
(Pseudacris crucifer)

Spring Peeper (Pseudacris crucifer) - click to enlarge

Upland Chorus Frog
(Pseudacris feriarum)

Upland Chorus Frog (Pseudacris feriarum) - click to enlarge

American Bullfrog
(Rana catesbeiana)

American Bullfrog (Rana catesbeiana) - click to enlarge

Northern Green Frog
(Rana clamitans)

Northern Green Frog (Rana clamitans) - click to enlarge

Pickerel Frog
(Rana palustris)

Pickerel Frog (Rana palustris) - click to enlarge

Northern Leopard Frog
(Rana pipiens)

Northern Leopard Frog (Rana pipiens) - click to enlarge

Wood Frog
(Rana sylvatica)

Wood Frog (Rana sylvatica) - click to enlarge

Eastern Spadefoot
(Scaphiopus holbrooki)

Eastern Spadefoot (Scaphiopus holbrooki) - click to enlarge

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U.S. Department of the Interior
U.S. Geological Survey

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