Song birds are kept in bamboo cages. It is very common to see Vietnamese with cloth-covered cages in parks taking their birds for "walks."
Bird singing contests are often held on Sunday mornings, with the winners being the birds that can sing the highest number of different songs in 15 minutes. The bird are usually Twa-twas or Picolets and the record is 189 different songs by a bird named Flinto owned by Jong Kiem.