One of the continent's earliest explorers, James Clark Ross — the Englishman who discovered the Ross Ice Shelf — remarked on the stirring sight of Adélies arcing in and out of the water during the migration to their home colonies. (scientificamerican.com)
The nudibranch, besides using the hydroids for habitat, regularly consume its home colony's polyps. (sciencemag.org)
Also, wondering about your thoughts and ideas about at home colonies? (bodyunburdened.com)