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.
As a gamebird, the mourning dove is well-managed, with more than 20 million (and up to 40â70 million) shot by hunters each year. As a symbol and in the arts. The eastern mourning dove (Z. m. carolinensis) is Wisconsin's official symbol of peace. The bird is also Michigan's state bird of peace. The mourning dove appears as the Carolina turtle-dove on plate 286 of Audubon's Birds of America. References to mourning doves appear frequently in Native American literature.