39K views · 666 reactions | Do you recognize this sound? Considered by many as the announcement of spring, this distinct, loud, high-pitched “peep” is the call of a spring peeper. More often heard than seen, these very small, pale-brown frogs can be recognized by the X-shaped mark on their backs. #WildlifeWednesday | NYS Department of Environmental Conservation | Facebook

6.1K views · 564 reactions | The peepers are singing at the Gettysburg Museum & Visitor Center. Enjoy the chorus and come see it in person. #SpringInGettysburg | Gettysburg National Military Park | Facebook

How do you define the term "spring peeper" 🐸? 1⃣ Any frog I hear in the spring 2⃣ Anything peeping in the spring 3⃣ Pseudacris crucifer 4⃣ Any frog, I am chaotic and possibly evil 5⃣ Stop it, I live in the west 🎥 Megan Seymour/USFWS. A spring peeper's vocal sac inflates as it makes several short "peep" calls. | U.S. Fish and Wildlife Service