Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Beavers have a reputation for reshaping rivers and wetlands, but new research shows that their dam-building ...

Giant dams built to tame the Colorado River have nearly wiped out native cottonwood trees along many riverbanks, disrupting local ecosystems. But new tiny dams, built to mimic ones that beavers make, ...

Beavers have a reputation for reshaping rivers and wetlands, but new research shows that their dam-building behavior also supports local bat populations. A recent study published in the Journal of ...

Giant dams built to conserve the Colorado River have nearly wiped out nearby native cottonwood trees, causing big ecosystem disruption. Tiny dams built to mimic those built by beavers could bring them ...