4 Words to use with zoo

They could see nothing of the rats as they came up to the house, and everything seemed perfectly still except for the rising and falling "whoozzzzzzZZZ, whoooo-zoo-oo" of the wasps' nest.

True zoo stories.

It was a most deafening growl that sounded as terrible as a buzz-saw and as alive as an unfed zoo animal.

Then he rose and began to pace the room in an overwrought sort of way, like a zoo lion who has heard the dinner-gong go and is hoping the keeper won't forget him in the general distribution.

4 Words to use with  zoo