wood-frog

It is clear that the factors that direct the development of a wood frog's egg so that it becomes a wood-frog and not a tree-toad must lie in the egg itself, as derivatives from the two parent organisms.

The Doctrine of Evolution Its Basis and Its Scope

It was absolutely motionless; the yellow brown of its back, and its dark sides, exactly harmonized in color with the light and dark patches on the log; the color was as concealing, here in its natural surroundings, as is the color of our common wood-frog among the dead leaves of our woods.

VIII. The River of Doubt

One day early in June I took a wood-frog in my hand.

The Arctic Prairies : a Canoe-Journey of 2,000 Miles in Search of the Caribou; Being the Account of a Voyage to the Region North of Aylemer Lake

Just an ordinary snake, but with it a live wood-frog!

Roof and Meadow

Dropping the rake, we cautiously follow up the call (it seems to speak out of every tree-trunk!) and find the piper clinging to a twig, no salamander at all, but a tiny wood-frog.

The Hills of Hingham

It was absolutely motionless; the yellow brown of its back, and its dark sides, exactly harmonized in color with the light and dark patches on the log; the color was as concealing, here in its natural surroundings, as is the color of our common wood-frog among the dead leaves of our woods.

Through the Brazilian Wilderness

After the peepers, the next frog to appear is the clucking frog, a rather small, dark-brown frog, with a harsh, clucking note, which later in the season becomes the well-known brown wood-frog.

The Writings of John Burroughs — Volume 05: Pepacton

For three hours a day, on six consecutive days, the team exposed wood-frog eggs to water from a bucket containing crushed tadpoles mixed with water from a bucket housing fire-belly newts.

clusterflock