More Examples

Screech owls are gray and brown in color; this helps them blend in with the trees!

The owl couldn’t sing, nor could he dance.

It was too cold to hunt for mice, so the owl stayed warm in her nest.

Notice that in this example, for is not a coordinating conjunction. It is a preposition because it is not just connecting words or phrases; instead, it is clarifying what it is too cold to do (hunt mice!).

Do you want to go birdwatching or skiing?

The barn owl winked at me, for I gave her half of my peanut butter sandwich.

When used as a coordinating conjunction, for means because.

Another kind of conjunction is the subordinating conjunction. These are used to create subordinate clauses. Read more about subordinating conjunctions and subordinate clauses here.