Science is now finding, that in wild animals it’s the oldest members who have the greatest influence on their family’s success and survival.

Kira Cassidy relates her research on Yellowstone wolves with other wildlife studies focused on understanding the value of older individuals in group-living species. Cassidy explains how these studies highlight the value of what old individuals can teach us: where we’ve gone wrong, what we might be missing, and what we can do to fix it.