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.
Florida's State Bird. Senate Concurrent Resolution No.3 of the 1927 legislative session designated the mockingbird as the State Bird of Florida. Not only a Florida favorite, it is the State Bird of Arkansas, Mississippi, Tennessee and Texas. Identification. The grayish-brown color, two parallel white wing bars and broad white wing patch, which is easily seen in flight, distinguish this bird from its cousins, the brown thrasher and the catbird.