A – Aurora

An aurora of polar bears.

To remember the collective noun for polar bears, use the following mnemonic:

The first time she saw the aurora (also known as the Northern Lights), the baby polar bear was so frightened she clung tightly to her mum.

Examples of aurora in a sentence

The aurora of polar bears lived in the arctic. 

An aurora of polar bears can be very dangerous.

Against the snow, you could barely see the aurora of polar bears.