Photo 1- Note the Desert Black Swallowtail larvae dropped by the Scrub-Jay, which is about to be eaten.
Photos 2 & 3- Eating the larvae, including banging it against the boulder.
Photo 4- Back with another larvae, tucked under its left foot.
Photo 5- Back a third time to the Turpentine Broom, which is the host plant of the Desert Black Swallowtail.
Photo 6- Gotcha!