'Angry Birds' first teaser features anger managementLos Angeles, Sep 24 (AZINS) The first teaser trailer for "Angry Birds" movie shows why the birds are so angry and explains how they control their rage.

A first look the villainous pig is also offered in the promo, reports aceshowbiz.com.

The trailer shows an island populated entirely by flightless birds. When the island is visited by mysterious green piggies, it's up to a group of unlikely outcasts that includes Red, Chuck, and Bomb to figure out what the pigs are up to.

Jason Sudeikis lends his voice to Red, Josh Gad voices Chuck, and Danny McBride is Bomb. Meanwhile, Bill Hader lends his voice to the pig.

The animated comedy is slated for a US release on May 20, 2016.