Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix. Zoo staff edited this photo to show that the elephant had a watermelon in its mouth.Photo by: Phoenix Zoo Phoenix Zoo's tiger, monkeys, elephants, tortoises enjoy watermelon on National Watermelon Day Animals at the Phoenix Zoo were treated to watermelon for "National Watermelon Day" on Friday, August 3, 2018 in Phoenix.Photo by: Phoenix Zoo