Thyroid-Stimulating Hormone (TSH). Guide. A thyroid-stimulating hormone (TSH) blood test is used to check for thyroid gland problems. TSH is produced when the hypothalamus releases a substance called thyrotropin-releasing hormone (TRH). TRH then triggers the pituitary gland to release TSH.
A Raven is black but depending on which way the light hits it they change to other colors like bluish, dark red, or greenish. There are white Ravens but are not albino.
Fawn coloring can range from a very light tan to a deep red color often referred to as mahogany. Brindle coloring is a fawn boxer with black stripe pattern over the body. The stripe pattern varies from sparse (1-2 stripes on the dog) to a more dense stripe pattern covering the majority of the body.