2. Goose's eyes are protruding, and everything in goose's eyes will shrink several times. For example, dogs are not as big as eyes, and geese have nothing to hide. Goose is also a territorial animal, and its hearing is very sensitive. When it hears the voices of other animals or people, it is very aggressive due to visual reasons and often takes the initiative to attack and make sounds.
When a stranger comes, the goose will shout. This is an alarm.