The sea-elephant and sea-leopard are characteristic. Penguins of various kinds are abundant; a teal (Querquedula Eatoni) peculiar to Kerguelen and the Crozets is also found in considerable numbers, and petrels, especially the giant petrel (Ossifraga gigantea), skuas, gulls, sheath-bills (Chionis minor), albatross, terns, cormorants and Cape pigeons frequent the island.
The family Laridae is composed of two chief groups, Larinae and Sterninae - the gulls and the terns, though two other subfamilies are frequently counted, the skuas (Stercorariinae), and that formed by the single genus Rhynchops, the skimmers; but there seems no strong reason why the former should not be referred to the Larinae and the latter to the Sterninae.
In addition to the penguins numerous other sea birds nest on the islands, as petrels, albatrosses, terns, skuas and prions.
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