Enormous warty pumpkins. Carnivorous plants. Immersive arachnid displays. Slithering snakes and fluttering bats. And illuminated displays of hundreds, or thousands, of ornately carved jack-o’-lanterns ...

For years, the OC Zoo has made sure the animals enjoy the holidays as much as their human visitors. So over the weekend, as youngesters in costumes trick-or-treated and did crafts around the zoo, the ...