Pickerel Frog

Fascinating facts about the Pickerel Frog

• Seven to twenty-one rectangular dark brown spots line the pickerel frog's back, forming two neat columns that can merge into a single long rectangle, a pattern no leopard frog ever shows. The species also sports unbroken dorsolateral ridges and bright orange-yellow flashes on the inner hind-leg surfaces that are hidden unless the legs are lifted. These visual cues let naturalists tell pickerels apart from look-alike leopard frogs in the field.
• Pickerel frogs emerge from hibernation at the end of March and rush to breeding ponds by early May, gathering in large groups where males call low-pitched, often underwater, notes that can be inaudible above the water's surface. Males also swell their thumbs and develop internal vocal sacs between the tympanum and foreleg during the season.
• The tadpole stage lasts roughly three months, after which metamorphs emerge at about 2.5 cm long and are as agile as adults. Larger tadpoles finish metamorphosis more efficiently, using less total energy despite a positive correlation between tadpole mass and metamorphic duration.
• When threatened, pickerel frogs release skin secretions that irritate humans and are toxic to many predators, making them one of the few poisonous frogs native to the United States. Peptidomic studies have identified canonical bradykinin and related peptides in these secretions. This chemical defense deters mammals, birds, snakes and even other frogs.
• A single pickerel frog egg mass measures 5-10 cm across, holds 2 000-3 000 eggs, and hatches in 11-21 days depending on water temperature. The gelatinous clutch sticks to submerged vegetation as deep as four feet (1.2 m).

Sources

Every fact above was checked against these pages, and kept only where one of them states it.

• Wikipedia

At a glance

About the Pickerel Frog

In the misty dawn of a forest pond, a tiny, unassuming monarch emerges, the pickerel frog, its mottled green skin blending seamlessly with the water's edge as it embarks on its daily quest for sustenance. With a quiet confidence, it moves through the underbrush, its slender legs propelling it with a gentle, almost ethereal, elegance, as if gliding across the forest floor. As it pauses to survey its surroundings, the pickerel frog's large, round eyes seem to hold a deep wisdom, a testament to its remarkable adaptability in a world where survival is a constant, delicate balance.

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