• cvr-bill-last-dayshed0422
    Bill during his last days. Photo by Gretchen Ziegler.
  • cvr-call-for-bill
    Bill and Pepe perform in their popular circus acts. Photos courtesy of Willy Lenz.
  • cvr-bill-and-pepe-2
    Bill and Pepe perform in their popular circus acts. Photos courtesy of Willy Lenz.
  • cvr-bill-and-pepe1
    Bill and Pepe perform in their popular circus acts. Photos courtesy of Willy Lenz.
  • cvr-the-billy-beat
    Bill and Pepe perform in their popular circus acts. Photos courtesy of Willy Lenz.
  • cvr-bill-retires
    Bill retires after his final boxing match. Humboldt Standard, 1957
  • cvr-bill-on-bike
    Bill on a bike. Humboldt Standard, 1957
  • cvr-bill_willy-lenz
    Willy Lenz and Bill embrace. Humboldt Standard, 1957
  • cvr-grooming-session-jan-roletto
    Bill gently grooms his keeper’s toes. Photo by Jan Roletto.
  • cvr-jrzookeepers_roletto
    Junior Zookeepers watching Bill. Photo by Gretchen Ziegler.
  • cvr-meeting-jane-goodall-ziegler
    Bill meets Jane Goodall. Photos by Gretchen Ziegler.
  • cvr-bill-painting-jan-roletto
    Bill painting, one of his favorite pastimes. Photo by Jan Roletto.
  • cvr-cards-fence-ziegler_0531
    Gretchen Ziegler at an impromptu memorial to Bill. photo by Jan Roletto.