The first dinosaurs to fly were not very good at it but, once they could truly fly, they were much more successful than the parent genus. As flying became critical while the mechanics of feathered flight were not yet perfected, the selection pressure for mutations that perfected feathered flight were enormous and lead to explosive evolution in a very short time frame leading to a lack of fossils.
God's plan for life just proceeding along.
You are entitled to hold that opinion, but it is an unverifiable hypothesis. You state as fact something that is supposition.
When a Christian does that, it is correctly called faith.