Most animals react to a short sudden noise by focusing all their senses to find the source.

It seems that when animals react at all (as they mostly do) their reaction is invariably one of fear.

The animal could smell the fear in the room, reacted to it, and went right to its cause.

The animals reacted as though the world was upside down and reversed from right to left.

Most animals react to seeing their reflection as if encountering another individual they don't recognize.

This will produce different responses as both people and animals around her may react differently to each 'phase'.

Surprisingly, the animal reacted mildly to the presence of a human being on its back.

As the wall of water crashed toward the beach, many birds and animals reacted more quickly than humans.

How will the animal react to being left alone for most of the day?

Jim recognized that this was how animals reacted to the presence of human beings.