I HOPE it's some kind of fungus or something ....

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See that blob, to the left of my foot? And that other blob, in front of my foot? And the OTHER blob, up at the very top middle of the frame?

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That's in my backyard. And I'm hoping against all odds that it's some kind of bizarro fungal growth, because I don't even want to THINK about whatever size creature that would take that big of a dump roaming around in my yard.

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But yeah, I'm pretty sure it's poop. GIANT CREATURE POOP.

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So that's why the previous owner screwed the windows shut.