Voice work across the board is top-notch, with the Black Eyed Peas' will.i.am and Jamie Foxx adding sass to their smooth-talking bird buddies, and comic George Lopez solid as a party-loving toucan named Rafael.
The only thing surprising about this lackluster animated production is that it attracted an A-list voice cast.
60
EmpireOlly Richards
EmpireOlly Richards
Okay, so it's not exactly a groundbreaking advance from the team behind "Ice Age," but with its kaleidoscope of colour and heaps of humour, you'll be charmed.
50
Village VoiceNick Schager
Village VoiceNick Schager
Too timid to be either inspired or outrageously inept, Rio is merely a bird of a familiar feather.
50
Entertainment WeeklyOwen Gleiberman
Entertainment WeeklyOwen Gleiberman
The soundtrack, overseen by Sergio Mendes, has a few lively bossa nova moments, but not nearly enough.