American Bull Frogs invade Yellowstone River in Montana
The Eastern U.S. is where Bull Frogs are native but they have spread to nearly every western state except North Dakota. Since 2010, the number of breeding sites have quadrupled.
“They are going to eat anything they can fit into their mounts. It doesn’t matter if it’s another frog or a bird or a mosquito,” US Geological Survey biologist Adam Sepulveda told the Associated Press news agency.
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