Check out this neat video highlighting how frog-eating bats are using frog mating calls to know where to pick up dinner:
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The recent discovery that some Asian microhylid frogs frequent the dung piles of elephants has gotten these obscure little anurans into the news, possibly for the first time ever.
The previous article - part of my now lengthy series on gekkotan squamates (see links below) - provided an introduction to the neat and fascinating near-limbless Australasian gekkotans known as the pygopodids.
This is a very intriguing aspect. It goes down to Charles Darwins Theory on Natural selection. That nature chooses its best fit to be preserved for the next generation. I am sure the type of frogs also or will develop a resistance intelligence to distinguish between their mating sounds to mimicked sounds from the bats.