Go into your garden or watch out your window.
How many different types of birds can you see? Make a list and keep a record. Which is the most common?
This website might be useful- https://www.rspb.org.uk/fun-and-learning/for-kids/facts-about-nature/facts-about-birds/
Could you make a bird feeder using a pipe cleaner or string and multigrain hoop cereal?