There it is, Lena thought. The ghost injury.

: Insights into territoriality and migration are used to design effective sanctuaries and recover endangered species. Animal Behaviour | Journal | ScienceDirect.com by Elsevier

Lena didn’t say there are no bad dogs . That was a bumper sticker, not science. Instead, she knelt to Argos’s level. He was muzzled, but his eyes tracked her—not with malice, but with the frantic geometry of a creature trying to solve a predator’s riddle.