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A Key to Wisconsin's
Amphibians
This key was re-created
with permission from Christoffel et al. (2001) Amphibians of Wisconsin.
Amphibians of Wisconsin is a booklet produced by the Wisconsin Department
of Natural Resources, Bureau of Endangered Resources and can by ordered on by
making out a check for $4.00 to the Endangered Resources Program (be sure to
write "Herps Education Account" on the memo line). Checks should
be sent to:
Bureau of Endangered
Resources
P.O. Box 7921
Madison, WI 53707
To use this key:
This circular key works
from the inside out. Here's an example:
-
Start in the center of
the circle at the word "amphibians".
-
Next, look at the
specimen you are trying to identify.
-
Determine whether or
not it has a tail.
-
If it has no tail,
look to the right for the section labeled "Frogs, adults with no tails".
-
Using Figure 1. on the
right side of the key, determine if the frog you are looking at has paratoid
glands
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If it has paratoid
glands, move to the block labeled "paratoid glands present".
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Move out one more
section, and you will be given the common name of the frog you are trying to
identify. In this case, the American Toad.
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