Which two shotgun chokes are best for hunting small, fast, close birds?

The two shotgun chokes that are best for hunting small, fast, close birds are improved cylinder and modified. The cylinder is the most open shotgun choke. It has a minimal restriction which means that the bullet travels a bit slowly compared to the restricted ones. This will have a more spread out pattern and thus a high chance of hitting the target.

Ibelieve appendix i maybe wrong