HEMATOZOA FROM PASSERIFORM BIRDS IN LOUISIANA

Blood smears were examined fro 935 individuals of 19 migrant and resid ent bird species collected in Lousiana. Of these, 320 (34.2%) harbored hematozoa. The prevalences of parasites were as follows: Haemoproteus spp. 22.8%, Trypanosoma spp. 6.9%, unidentified microfilariae 5.0%, P lasmodium spp. 3.4%, and Leucocytozoon spp. 1.3%. These data are consi stent with other reports from the region. Infections were observed in 33% of the individuals in the 13 migrant species sampled and 33% of th e individuals in the 6 resident species.