Possible Clues:

• Bird in "Looney Tunes"
• 'Space Jam' canary
• 'Headliner' of the first Warner Bros. short to win an Oscar
• Cartoon canary
• Pretty tiny wings for canary
• Sylvester's nemesis
• Puddy tat's quarry
• Looney Tunes bird
• Animated bird who debuted in "A Tale of Two Kitties"
• Toon canary