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The location of sites with evidence of bullfrog breeding (dark diamonds on maps) in 2010 (A), 2012 (B) and 2013 (C) in the Yellowstone River region near Billings, MT. No breeding populations were observed in 2005.

By Northern Rocky Mountain Science Center
Figure 2. The location of sites with evidence of bullfrog breeding (dark diamonds on maps) in 2010.
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Figure 2. The location of sites with evidence of bullfrog breeding (dark diamonds on maps) in 2010 (A), 2012 (B) and 2013 (C) in the Yellowstone River region near Billings, MT. No breeding populations were observed in 2005. The Yellowstone River flows southwest to northeast.

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