May 23, 2019 10:40 AM EDT
Family Crucial to Orca Survival
Orcas live in stable, structured social groups. And their survival directly depends on it, as a CNRS and University of La Rochelle research team* has just demonstrated. Between 1996 and 2002, half of the Crozet Islands orca population was killed off by an illegal fishing operation targeting Patagoni...