Haemoproteus nisi (lineage hCIAE08) from the blood of Western marsh harrier Circus aeruginosus: a – young gametocytes, b–h – macrogametocytes, i–l – microgametocytes. Long simple arrows – nuclei of parasites. Short simple arrows – vacuoles. Simple arrowhead – pigment granules. Triangle arrowheads – clamps of volutin. Simple wide long arrows – spaces between gametocytes and erythrocyte nuclei. Giemsa-stained thin blood films. Scale bar = 10 μm.