Our Mistake

Caribou and reindeer populations go through 40-year cycles of growth and decline, not four-year cycles, as reported in Wednesday's story on Arctic animal populations.

Our Mistake

Caribou and reindeer populations go through 40-year cycles of growth and decline, not four-year cycles, as reported in Wednesday’s story on Arctic animal populations.

The region below the high Arctic described in the article is actually called the low Arctic, not the sub-Arctic.