Looks like a Dryads Saddle
Nature and Gardening
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Yep, it does look like pheasant back.
If you're asking for mushroom identification knowing what region/general area this picture was taken would help narrow down the possible species.
I naturalist is probably better for identification as it has the location option and a heap of fungi connoisseurs waiting to ID
It looks like a tree stump with some fungus and moss growing on it. Hope that helped!