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Bullfrogs were found in recent surveys along a 100-kilometre stretch of the river from the Laurel area downstream to Custer, U.S. Geological Survey biologist Adam Sepulveda said Thursday. The number of breeding sites for the animals almost quadrupled between 2010 and last year, to 45.
Date: Oct 03, 2014
Category: Sci/Tech
Source: Google
Study: Invasive Bullfrogs expand along Yellowstone River
"The impacts of bullfrogs on native amphibians in the Yellowstone River are not yet known, but native Northern leopard frogs are likely to be most vulnerable to bullfrog invasion and spread because their habitats overlap," said Adam Sepulveda, USGS scientist and lead author of the study.
vernment scientists said. Bullfrogs were found in recent surveys along a 66-mile stretch of the river from the Laurel area downstream to Custer, said U.S. Geological Survey biologist Adam Sepulveda. The number of breeding sites for the animals almost quadrupled between 2010 and last year, to 45.
"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.