"Retreat to the Rockies" with an especial look at bighorn sheep.

A study of the rare and beautiful trumpeter swan, which was nearly extinct but has now returned to a reasonably healthy population of about 2,000 through efforts of federal and provincial conservation agencies.

The authentic sights and sounds of wildlife activity in the Arctic during the summer. Animals seen include polar bears and seals.

Wildlife in Alberta is the subject of tonight's episode. John Livingston narrates this final program in the special, four-part Centennial series about Canadian wildlife.