What is the main clause of this sentence?

What he said is a subordinate clause.

A peregrine falcon is a very fast bird, which can reach speeds of up to 240 kilometers per hour.

He is good at spotting hawks.

The 鸇 is fast and good at catching prey.

The bond with him made me stronger.

He respects the spirit of Bushido.

He always had the spirit of a samurai in his heart.

My father established a corporation.

The Hayabusa is a very fast bird.