Surveys of Calling Amphibians in North Dakota

Table 2

Table 2. Number of transects and stations at which calling amphibians were recorded in surveys in North Dakota during 1995, and number of transects and stations that lie within ranges of species.

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                             Transects              Stations
                         __________________    __________________
 
Species                 Recorded  in range    Recorded  in range
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Plains spadefoot toad      3         17            6       345

Woodhouse's toad           6         17           42       332

Great Plains toad         12         35          126       706

Canadian toad              4         44           11       896

Gray treefrog              1         10            2       204

Northern leopard frog      6         44           14       896

Wood frog                  1         44            1       896

Western chorus frog       38         44          587       896
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