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.
10 Most Popular Birds in Michigan. Michigan is home to a large variety of bird species living in the deep forests, open fields or the Great Lake shores. Bald eagles, swans, ravens and finches are a few types of birds that prefer the different habitats found in Michigan, where birding has become a national pastime. Sandhill Crane.