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Recent Specimens

These are the types of deformities Ballengee and Barron have found in their recent (1998-2002) surveys in Ohio. Further studies are needed to understand what is causing the deformities. Research suggests that many of the deformities found in the wild can be caused by a type of parasite called a trematode. Of the deformities missing limbs or limb segments are the most common encountered. These may be caused by trauma or predation attempts (i.e. fish, racoons or other predators). Other research suggests that the occurance of missing or partially grown limbs can be caused by increased ultra-violet radiation from ozone thinning or perhaps an unkown chemical culprit.

Type of Deformity Specimen

Missing Limb American Bullfrog
Fairfield County, Ohio
July 16, 2001
American Bullfrog
Fairfield County, Ohio
July 16, 2001

Reduced or Missing  
Limb Segment
Pickerel frog
Fairfield County, Ohio
July 12, 2001
American Bullfrog
Fairfield County, Ohio
July 16, 2001
American Bullfrog
Fairfield County, Ohio
July 16, 2001
American Bullfrog
Fairfield County, Ohio
July 16, 2001
Northern Dusky salamander Franklin County, Ohio July 18, 2001 digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York

Reduced or Missing Digits Northern Dusky salamander
Fairfield County, Ohio
July 13, 2001
Digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York
Red-spotted newt
Athens County, Ohio
July 17, 2002
Digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York
Northern Dusky salamander
Franklin County, Ohio
July 18, 2001
Digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York
Two-lined salamander
Franklin County, Ohio
July 18, 2001
Digital imaging c ourtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York

Exposed Bone American toad
Fairfield County, Ohio
July 12, 2001
Digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York

Fused Digits American toad
Fairfield County, Ohio
July 12, 2001
Digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York

Missing Eyes Red-backed salamander
Fairfield County, Ohio
July 13, 2001
Digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York.
Red-spotted newt
Athens County, Ohio
July 17, 2002
Digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York

Complete but Deformed Limb Red-spotted newt
Athens County, Ohio
July 17, 2002
Digital imaging courtesy The Institute for Electronic Arts, School of Art and Design NYSCC at Alfred University, Alfred, New York
American Bullfrog
Fairfield County, Ohio
July 16, 2001
American Bullfrog
Fairfield County, Ohio
July 16, 2001

Multiple Extra Limbs or Limb Elements American Bullfrog
Fairfield County, Ohio
Collected August 1998
Green frog
Fairfield County, Ohio
collected August 1998
Green frog (Detail)
Fairfield County, Ohio
collected August 1998

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