What sound does the Spring Peeper (*Pseudacris crucifer*) use as its primary advertisement call?

Answer

A high-pitched, piercing whistle or peep

The primary advertisement call of the Spring Peeper is described as a high-pitched, piercing whistle or peep.

What sound does the Spring Peeper (*Pseudacris crucifer*) use as its primary advertisement call?

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Frogs laying frogspawn and purring! - YouTube

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