Pickerel frogs have two parallel rows of square-ish dark brown spots edged in black running the length of its back. The spots on a leopard frog's back are more randomly placed, more oval than square.

Tadpoles undergo metamorphosis by July or August. Fun facts: Pickerel frogs have a natural defense in the form of a skin secretion that is toxic or distasteful to many would-be predators.

Pickerel frogs (Lithobates palustris) are medium-sized, gray or tan, and can be recognized by the seven to 21 irregular rectangular dark brown spots on their back.

While some of them undoubtedly do fall victim to the jaws of a pickerel or the teeth of a mink, the tadpole’s skittish behavior enables many of them to develop into the largest frog species in ...

Now owned by PA Woods and Forests, the Frog Week project aims to monitor, increase and document wild populations of American toads, wood frogs, gray tree frogs and pickerel frogs.

There is one species of poison frog that lives in the U.S., and it can be found in West Virginia and across most of the East Coast. The pickerel frog can secrete sour-smelling toxins from its skin ...