Dear Ben, The Torah clearly delineates the physical criteria for determining whether an animal is kosher or not. These are that it be a ruminant and have split hooves (Leviticus 11:2-8; Deuteronomy 14:4-8). The giraffe is not only the tallest cud-chewer but also has completely cloven hooves. It therefore fits the Torah criteria for being kosher.
Fatigue is defined as extreme physical or mental tiredness or exhaustion. An example of fatigue is what you feel after you run a 10-mile marathon. fatigue. fatigue.
Fatigue is a subjective condition in which a person feels tired before beginning an activity, lacks the energy to accomplish tasks requiring sustained effort and attention, and becomes unduly exhausted after normal activities. It can range from pervasive and overwhelming to subtle, felt only during all-out competition.