Arizona removed invasive bullfrogs and rebuilt native frog habitat; Chiricahua leopard frog breeding sites grew from 7 in 2013 to 19 by 2019

Efforts to revive the Chiricahua leopard frog habitat in Southeastern Arizona encountered severe obstacles. The introduction of invasive American bullfrogs disrupted local frog populations ...

In 2013, Arizona’s rare leopard frogs were under threat from invasive bullfrogs, but by 2019 conservationists had expanded their recovery network from 7 sites to 19

The Arizona project began with a problem that was easy to see but difficult to solve. American bullfrogs had established themselves in the Cienega Creek watershed, where they could prey on Chiricahua ...
Yahoo

Massive Frogs Living in American Waters

Add Yahoo as a preferred source to see more of our stories on Google. Frogs are found across the U.S. in ponds, lakes, rivers, pools, and wetlands. Pig frog females tend to reach larger sizes than ...
Oregonian

‘These first documented survivors represent hope’: Endangered frogs make breakthrough in Washington

After years of failed attempts, a cohort of Oregon Zoo-reared northern leopard frogs has finally survived through the winter at the Columbia National Wildlife Refuge in eastern Washington. “We’ve ...