The northern leopard frog is often discussed as the earliest frog sound you’ll hear when the temperatures begin to rise. The more frog calls you hear, the better the ecosystem. Many frog calls begin ...

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Friends of the Rouge will teach volunteers on Saturday how to identify the sounds of eight local frog and toad species given that they're indicator of wetland health. The training session will take ...

A fringe-lipped bat, Trachops cirrhosus, approaches a Fitzinger's robber frog, Craugastor fitzingeri, in Panama. This species of bat eavesdrops on the mating calls that male frogs produce to attract ...

As dusk falls over some swamps and ponds, the air fills with frog calls — sharp, steady, and almost always from males. For decades, scientists have focused on these loud, attention-grabbing sounds.