roadrunners do not like to fly and instead forage on the ground they are known for hiding in cover and then ambushing prey by chasing after it they may leap or fly for a short burst to catch insects when they catch a snake they will hold it in their beak and bash it on the ground to kill it
Secondary hyperthyroidism is characterized by elevated levels of TSH, freeT4 and/or free T3 levels. If the free T4 level is normal but symptoms of hyperthyroidism are present along with a suppressed TSH, T3 toxicosis should be considered and a serum free T3 level should be determined if not ordered initially.
Hyperthyroidism is overactivity of the thyroid gland, which results in a number of symptoms and signs. It can be primary or secondary: Primary hyperthyroidism is the term used when the pathology is within the thyroid gland. Secondary hyperthyroidism is the term used when the thyroid gland is stimulated by excessive thyroid-stimulating hormone (TSH) in the circulation. Anatomy and physiology of the thyroid gland 1  : The thyroid gland is situated in the neck and its hormones control the metabolic rate of tissues.