Cold agglutinin disease. Cold agglutination - at body temperature, the antibodies do not attach to the red blood cells. At lower temperatures, however, the antibodies react to Ii antigens, bringing the red blood cells together, a process known as agglutination.
American Robin (Turdus migratorius). The robin red breast was designated as the state bird of Michigan by House Concurrent Resolution No. 30, the Senate concurring, on April 8, 1931.
Michigan is on the northern fringe of the bobwhite quailâs range. Creatures of the edge, bobwhites prefer grasslands and early successional habitats containing brush and young trees. They also require a good amount of cropland as a food source.