As curious animals, they are easily distracted. They have strongly developed investigative behavior and sniff at everything new with their excellent noses.
Pigs are relatively nearsighted and have poor three-dimensional vision.
However, they do have a keen sense of hearing, and communicate in the group by means of a language consisting of grunting and squeaking noises. If one animal makes a warning sound, the entire group will be on alert. Pigs are frightened by sudden unfamiliar noises. Pigs move slower than humans and need time to get used to a new space . Pigs possess a poor temperature regulation system.