Portuguese
rana clamitans Similar to bullfrog; found in or near marshes and ponds; of United States and Canada.
Portuguese
rana pipiens Common North American green or brownish frog having white-edged dark oval spots.
1
Further investigation revealed a brand new type of leopard frog.
2
I think they were some sort of leopard frog.
3
By adding the leopard frog's DNA to its own genome, Chimera had become part amphibian.
4
Onconase, from the Northern leopard frog, is currently in clinical trials as a cancer chemotherapeutic.
5
Onconase is a natural protein isolated from the leopard frog, which targets cancer cells while sparing normal cells.
1
The central projections of the frontal organ of Rana pipiens are more widespread, and more similar to those of the epiphysis, than previously realized.
1
Hair pulled from the bodies of the Monsters was tossed to the winds and from it sprang frogs, snakes, lizards, and reptiles of every kind.