Meaning: People looked at the birds and felt happy.
Choice of Words: People watched the birds. They smiled because they were happy.
Alternative Expressions
The crowd observed them with beaming faces.
Meaning: This sentence describes a large group of people watching something or someone with big, happy smiles.
Choice of Words:Crowd is a large group of people, and observed means to watch or notice something carefully. Beaming means smiling widely, and faces refers to the front part of a person's head.
Spectators witnessed them with cheerful expressions.
Meaning: This sentence describes people watching something or someone and showing their happiness or joy through their facial expressions.
Choice of Words:Spectators are people who watch an event or performance, and witnessed means to see or experience something firsthand. Cheerful means full of happiness or joy, and expressions refers to the way someone's face looks to show their feelings.