Bacteria can breed by the billions in a few hours.

No scion could breed by itself; they did not act alone.

They are easy to domesticate, and often bred by local people.

A baby Bank vole born in spring will be old enough to breed by the time fall comes.

I will say you are just breeding anarchy by that sort of thing.

Bred by evolution to hunt and kill creatures like me.

Additionally, a couple of Cranes has been breeding by the lake for about ten years.

Their society allows a person to decline to breed, by dueling.

Violence by the left bred a more violent reaction by the right.

Service dogs are often trained and bred by service dog organizations.