Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: chirp chirp! what a beautiful white and red bird! 🐦
This tweet contains emotions: 
joy, love, optimism, surprise