A little different

"Increased health and damage for all the mischievous rebel birds, the ones that stick out described as 'a little different'" - In game description

List of Birds
Trey

Tony

Zain

Sam

Timothy

Frank

Margaret

Charlotte

Cletus

Chip

Millie

Tara

Otis

Harold

Owlpheus

Anthony

Monday

Max

Toby

Leland

Greg

Eggbert

Kowalski

Chuck