A dwarf mongoose looks at a Halloween pumpkin at the Zagreb Zoo in Zagreb, Croatia, Oct. 30, 2020. (Matija Habljak/Pixsell via Xinhua)

Wallabies eat from a Halloween pumpkin at the Zagreb Zoo in Zagreb, Croatia, Oct. 30, 2020. (Matija Habljak/Pixsell via Xinhua)

Meerkats eat from a Halloween pumpkin at the Zagreb Zoo in Zagreb, Croatia, Oct. 30, 2020. (Matija Habljak/Pixsell via Xinhua)