Cownose Rays Migrate By the Thousand

"The world has not to be put in order. The world is order incarnate. It is for us to put ourselves in unison with this order."—Henry Miller, "Sexus"

Sandra Critelli was off the northern tip of Mexico's Yucatán Peninsula on a small boat when it was surrounded by thousands of migrating cownose rays. "It was like watching millions of fall leaves moving with the wind," she says.