Spiders and Frogs and Love...Oh my!

We didn't have nearly so many spiders this year as we have had in years past. I think I know why.
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Outside our front door, in the bushes lining the porch, we had our own resident frog. He would sing (or perhaps orate) in the evenings--no doubt at feeding time. In the day, we admired the spiders and their webs and the next morning, after a particularly lovely froggy symphony that evening, only a broken web remained.
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How do I know he was male?
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Well, of course, I don't know for sure. I never saw him and even if I had, I don't really know how to sex a frog. However, we noticed that when a male friend stood by the porch and spoke in his deep, resonant voice that the frog croaked, probably warning intruders away and protecting his territory.
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On the other hand...maybe it was a female and she was answering his mating call.
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What do you think?