Orcas are matriarchal, have extremely close family units, and rely on the leadership of older orcas. Killing or capturing orcas that would now be older orcas, p

Orcas are matriarchal, have extremely close family units, and rely on the leadership of older orcas. Killing or capturing orcas that would now be older orcas, particularly females, has had huge effects on the southern resident population.