Not a Bird, Not a Plane! Conservationist Flies with Swans to Solve Mystery of Species’ Decline

London conservationist Sacha Dench isn't letting these Bewick's swans disappear and she's taking it to the air for her cause. Flying in a small motorized paraglider, she is set to join thousands of swans as they start their annual migration from the Arctic to western Europe on Sept. 15.