In the wild, animals smell fear in humans and attack.
The animal could smell the fear in the room, reacted to it, and went right to its cause.
A nose is a body part which allows animals to smell things.
The big animal smelled terrible and it growled so loud.
This allows humans and animals to smell the chemical signal given off by a physical object.
Humans could use tools and animals could smell food through almost any obstacle.
"Well, animals never smell very nice when they are caged," said Larry.
From a long distance away, the animals smelled death.
Surely the animal would smell it, and then... She made up her mind.
Sometimes an animal, such as a bee, sees or smells a flower.