By removing invasive bullfrogs, scientists help Yosemite's native turtles recover The huge amphibians "will literally just feed on anything that fits into their mouth" — including turtle hatchlings.

American bullfrog populations have exploded around the world with dire consequences for native wildlife. But researchers say they may have found a way to help these species rebound.

Native turtles return to Yosemite after removal of more than 16,000 invasive bullfrogs As part of the study, 16,384 American bullfrogs, larvae and egg masses were removed from Yosemite National Park.

Bullfrogs also carry a lethal chytrid fungus, called Batrachochytrium dendrobatdis, that is contributing to the decline of native frog species. Bullfrogs carry the fungus but do not die from it.

Bullfrogs consume nearly every living thing they find. Their menu is limited only by the size of their mouths, and they are wreaking havoc on the West’s native species.

Adult bullfrogs are known to eat the young of their own species, but not enough to be a control on its own population. Bullfrogs lay between 8,000-120,000 eggs, but typically an average of 20,000 ...

American bullfrogs (Lithobates catesbeianus) are large frogs originally from the eastern United States, meaning that in California, they’re considered an invasive species.

DNA analysis found the new species had at least 5% genetic divergence from other African bullfrogs. The research team included Louis du Preez, Edward Netherlands, Mark-Oliver Rödel and Alan Channing.

One of the biggest threats to the species is the introduction of American bullfrogs, which are native to the eastern United States but were introduced in the West, where they prey upon small ...

The new species “eats small birds, rodents, snakes and other frogs and insects,” du Preez said. Beytell’s bullfrogs have a “strongly pulsed,” “whoop”-like call, the study said.

Get to know the American bullfrog, the giant amphibian with the bull-like bellow, and one of North America’s most widespread frog species.

Arizona Game and Fish (AGF) considers the bullfrog an invasive aquatic animal species introduced to the western U.S. in the early 1900s for "sport, food, and inadvertently during fish stockings." ...