calve from the floating ice shelves, and much of the surrounding Southern Ocean freezes over in winter.
calve important point for autumn calving herds is to check the condition of your cows now.
calve head of the bay is a glacier ice front with seracs continually ' calving off ' into the sea below.
calve incredible calving glaciers include the most productive in the world, which advances 30 meters every 24 hours.
calve calving interval is thought to be about four years.