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.
The Western Meadowlark is also the Kansas State Bird, Montana State Bird, Nebraska State Bird, North Dakota State Bird and Wyoming State Bird. Portions copyright Â© Richard R. Buonanno, 1995. Web version of John James Audubon's work. The Birds of America.