While sitting on my back porch one day during late afternoon, my leisurely pursuit was interrupted as a large and seemingly nervous flock of red-winged blackbirds happened to fly by my location. The ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) The late Oxford University biologist William D. Hamilton discussed the advantages of ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Joan Strassmann, Washington University in St. Louis (THE CONVERSATION) As I walked ...

The birds rose simultaneously as I drew near, and then settled farther down the beach, clearly fearing me. The late Oxford University biologist William D. Hamilton discussed the advantages of flocking ...