When exposed to potential predators as an embryo, the invasive American bullfrog becomes harder to kill when it becomes a tadpole, according to a new study. When exposed to potential predators as an ...

Amanda Emmel wades through the moss after catching a handful of tadpoles. Tadpole netting is a common method the MCC crew used to remove invasive bullfrogs. (Emily Messer/Leader) Brianna Rentschler ...

In my hand is a bullfrog tadpole. I dipped it from a pond May 15. It probably is a bit over two years old. A female American bullfrog can lay about 20,000 eggs in early spring. Southeast Missouri is ...

An American bullfrog tadpole, left, is bigger than the young native northwestern pond turtle in this photo. Bullfrogs often prey on native turtles in the western U.S., contributing to their decline.

This critter might be a tad too big. The largest bullfrog tadpole on record was discovered by a volunteer at the American Museum of Natural History’s Southwestern Research Station in Arizona, ...

Researchers have detected the first case of ranavirus infection in both native frog species as well as the invasive American bullfrog in the wild in Brazil. While the study cannot attribute ranavirus ...

Sheri Faulks has been setting up her easel at Cannon Hill Park for three years now. She likes painting the dragonflies and turtles. She likes listening to the sounds of the bullfrogs mating in the ...

CORVALLIS, Ore. - When exposed to potential predators as an embryo, the invasive American bullfrog becomes harder to kill when it becomes a tadpole, according to a new study by Oregon State University ...