Watch flies suck this frog’s blood by eavesdropping on its mating calls

The male tùngara frog’s mating call attracts females, and unwanted visitors: midge flies that feast on amphibian blood. Rather than homing in on chemical cues as mosquitoes do, these blood-sucking flies locate their next meal by listening for the amphibian’s love song, The Scientist reports. The flies’ feat is a remarkable example of communication across the invertebrate-vertebrate barrier, researchers say.

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