Pareidolia is where we see faces in things, like in clouds, on the surface of the moon, or, like in the above image where there are several, on gnarled tree trunks. There is also a tiny little figure in the bark of the tree above, waving right at you, but he doesn’t seem to happy for some reason.
Photograph taken August 2016, rear garden , Staffordshire. © Pete Hillman 2016. Camera used Nikon D7200, with Sigma 105mm macro lens.