A common seal is sitting on a rock in the sea while another one is climbing on to the rock. Coloured etching by W. H. Lizars after J. Stewart.

Licence: Public Domain Mark

Credit: A common seal is sitting on a rock in the sea while another one is climbing on to the rock. Coloured etching by W. H. Lizars after J. Stewart. Wellcome Collection. Source: Wellcome Collection.