The New York Times – By: NATALIE ANGIER – The Spirit of Sisterhood Is in the Air and on the Air – Published: April 23, 2012 – In animals as diverse as African elephants and barnyard mice, blue monkeys of Kenya and feral horses of New Zealand, affiliative, longlasting and mutually beneficial relationships between females turn out to be the basic unit of social life, the force that not only binds existing groups together but explains why the animals’ ancestors bothered going herd in the first place.
