California's only native freshwater pond turtle species, at a couple of remote bodies of water within Yosemite National Park. The American bullfrog is massive — "maybe the size of a grapefruit ...

Surveys show that the species has been introduced in more than 40 countries and four continents. Millions of bullfrogs live in ditches, canals and ponds across California. They are vexing trespassers.

The endangered northern leopard frog species is showing positive signs of recovery after surviving the first winter in the ...

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

Over the course of six years, Woodruff and her team removed more than 16,000 American bullfrogs from the park − an invasive species that makes life for the northwestern pond turtle nearly ...

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. American ...

African bullfrogs (Pyxicephalus adspersus) are large frogs that live across sub-Saharan Africa and prefer areas where water ...

Watch as my pet Goliath bullfrog tadpole undergoes an incredible transformation, evolving into a giant amphibian. This rare, up-close look at the world’s largest bullfrog species captures the ...

It seems likely that the bullfrogs will drive out the native frogs as they have in other places. There are also several species of birds (jays, finches, wrens, flycatchers, robins, etc.) ...

Biologists once found a crayfish with an entire garter snake and several fish inside a female bullfrog near Sheridan. That may sound like an impressive amount of food for a two-pound frog, but it ...

The bullfrogs’ call also overlaps and may interfere with those of several native species in the area. “Any interference with this communication could directly impact [native species ...

They took a closer look at the animals and realized they’d discovered a new species of African bullfrog: Pyxicephalus beytelli, or Beytell’s bullfrog. “(It) is the biggest frog discovered wo ...