Coyote siblings provide companionship, affection, rivalry and . . . health care, as seen here by these grooming activities. It’s a bad year for bugs: ticks and fleas. The coyote is pulling off ticks. The activity is mutual — sometimes one is the groomer, and sometimes the other. Shortly after I took the video, the groomer, guy to the right in this case, snapped at a bug in the air — see photo below. The bugs are on them and around them! Must be extremely annoying for them. I’ve never seen coyotes scratch this much in the San Francisco Bay Area. It’s constant. When they’re not scratching themselves, they are helping a sibling! Pretty altruistic, I would say!
By the way, coyotes are also shedding their winter coats at this time of year, which adds to the irritations they feel. Scratching, in fact, helps with the shedding process.