How to use "bears" in a sentence

Imagine what we saw - penguins, whales, polar bears, dolphins, icebergs! It was like a dream and we saw it from the inside of the Nautilus.

He was considerably more formidable than his associate: tall, rough-edged, with large, big-knuckled, leathery hands - like something that had escaped from a recombinant DNA lab experimenting in the crossbreeding of human beings with bears