BUFFALO, N.Y. -- Colorful costumes could be seen among the various animal exhibits at the Buffalo Zoo over the weekend.

The zoo estimates around ten thousand people attended the annual Trick or Treat Weekend, held Saturday and Sunday afternoon.

Children in various costumes stopped by 20 trick-or-treat stations set up around the zoo to get photos with their favorite characters.

Attendees could also enjoy hay rides, zoo officials said. Some zoo animals, like human trick-or-treaters, enjoyed treats.