Pig Days

Pig Days is a advent calenar on Angry Birds Seasons.

Appearance
It appeared on the South Hamerica Update. it appears when you select the Play Button. it appears when you are on season 2011, season 2012, season 2013, and 2014. you will get the levels on july 19th. you'd probably get it when you complete South Hamerica. on the Pig Days Map. a mooncake which has a candle on it is seen. so that event would mean angry bird's 5th birthday.

Trivia
When a day after The realease of the update, the 16 days changes into 15 days each day, it changes into 14 days (on July 5th) 13 Days (on July 6th) 12 days (on July 7th) 11 Days (on July 8th)