Photo: Smiling bullfrog basks in the lily pads

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Our reader photo of the day is the picture of summer.

(And yes, we know that this bullfrog isn't actually smiling ... even if sitting on a log in a pond would make us smile.)

Would you like to see your nature photo featured as the TreeHugger photo of the day? Join TreeHugger’s Reader Photo Pool on flickr and add your pictures to the group.

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