The first thing the father-son duo did was climb out of the hovercraft carefully in order to check whether the deer were injured. As far as the men could see, neither of the deer had any injuries but were extremely cold and icy.
As they edged a little closer to the timid deer, they could see the animals were extremely stressed and nervous. In any other instance they would have run as far and fast as they could away from the humans. However, seeing as this wasn’t possible, the deer had no choice but to stay where they were.