Throughout 1978 regular counts of pinniped mammals were conducted along as 12-kilometre-long stretch of the Admiralty Bay coasts. The occurrence of all the six species of antarctic seals was noted, among them the most numerous were Mirounga leonina, Arctocephalus tropicalis and Lobodon carcinophagus. The number of these animals varied within a year-cycle. M. leonina and Leptonychotes weddelli breed at Admiralty Bay.