American bullfrog DNA has turned up not far from the only known habitat of Pithecopus rusticus — a small, critically endangered tree frog that lives in Brazil. These neon green, orange and black frogs ...

The moon is high over the Mission Valley as Briana Rentschler’s kayak slips silently into a marshy wetland near the Ninepipe ...

American bullfrogs, which were once confined to much of eastern North America, have exploded around the world with dire consequences for native species. Now researchers say they may have found a way ...

Jodi Wilmoth removes a juvenile bullfrog from a container shortly after capturing it by hand in a marshy area at Thousand Trails Campground in Sunriver in 2020. After six years and thousands of ...

We quantified frog phenology and microhabitat use of the native California red-legged frog (Rana draytonii) and introduced bullfrog (Rana catesbeiana) in an 11-ha seasonal marsh, Sonoma County, ...

Conservation gets complicated when a native U.S. species is appreciated in one part of the country, but despised in another. Consider, if you will, the American bullfrog. “In the Eastern U.S., where ...

Bullfrogs are the elite athletes of the amphibian world, with a thrilling leap that can surpass 21 feet. But back home in their ponds, they’re nothing but trouble. On the eve of this weekend’s famed ...

A man named Markcuz Rangel shared this photo with the South Texas Hunting Association last week. Facebook South Texas Hunting Association Photos of a Texas man holding a giant bullfrog have people ...

It’s not just bullfrogs that threaten other species in Cache Creek, it’s also the common red-eared “slider” turtle. Both the bullfrog and red-eared turtle are considered invasive species and are ...