 In the 0.5-5.0 m depth zone moss cover can reach 40-80%, and dense cyanobacterial felts that are up to 10 cm thick often cover most of the left area.The main representatives of these cyanobacterial felts are "Calothrix", "Nostoc" and "Phormidium".Explorers have seen south polar skuas ("Catharacta maccormicki").