The London Zoo gave some of its very best animals some pumpkins and let them have a field day last week.Kumbuka the gorilla, for example, can be seen having a great time here, even throwing some of the pumpkins:Here are Bolivian black-capped squirrel monkeys with their pumpkins:And of course, the giraffe: A very happy Halloween was had by all. Check out some elephants smashing pumpkins in the related video above.