Jeskyník somálský (foto Nicola Cavallari, Elena Frigato, Daniela Vallone, Nadine Fröhlich, Jose Fernando Lopez-Olmeda, Augusto Foa, Roberto Berti, Francisco Javier Sánchez-Vázquez, Cristiano Bertolucci, Nicholas S. Foulkes, CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons.

Jeskyník somálský (foto Nicola Cavallari, Elena Frigato, Daniela Vallone, Nadine Fröhlich, Jose Fernando Lopez-Olmeda, Augusto Foa, Roberto Berti, Francisco Javier Sánchez-Vázquez, Cristiano Bertolucci, Nicholas S. Foulkes, CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons.