You may be describing seal behaviour -- under the ice, which is practical anywhere sea ice freezes. Note that sea ice can freeze during any season in Antarctica.
Seasons in Antarctica are Spring, Summer, Fall and Winter.
winter
Antarctica receives zero hours of daylight in the winter.
In the Southern Hemisphere, which includes Antarctica, winter begins on June 21.
The winter solstice in Antarctica occurred on June 21, 2009, also called 'mid-winter's day'.
always
Antarctica
Blizzards in Antarctica are fairly constant.
Foodstuffs are shipped to Antarctica during the summer months, for storage and use during the winter.
I think that antarctica has 2 sesons winter and summer
Winter, spring, summer and fall are all seasons in Antarctica.
Antarctica has four seasons: summer, fall, winter and spring.