http://military.wikia.com/wiki/Battle_of_Olustee"Union casualties were 203 killed, 1,152 wounded, and 506 missing, a total of 1,861 men—about 34 percent. Confederate losses were lower: 93 killed, 847 wounded, and 6 missing, a total of 946 casualties in all—but still about 19 percent. Union forces also lost six artillery pieces and 39 horses that were captured.[2] The ratio of Union casualties to the number of troops involved made this the second bloodiest battle of the War for the Union, with 265 casualties per 1,000 troops."
Although The Battle of Olustee, Florida was very small compared to battles in Virginia, Pennsylvania, and other places Olustee was a very bloody affair when you compare the ratio of casualties to amount of troops involved