Avian haemosporidian (Haemosporida) systematics and biodiversity. I am an expert of wild animal malarial and other haemosporidian parasite taxonomy, morphology and ecology. My main research is dedicated to blood stages (which are important for the description and investigation) of species belonging to Plasmodium, Haemoproteus and Trypanosoma genera. I have published more than 100 scientific articles in journals belonging to the Web of Science database. 2018-2022 I published 19 scientific articles. I am the author and co-author of 56 descriptions of new protist species, including 52 avian haemosporidian species belonging to the genera Plasmodium, Haemoproteus and Leucocytozoon. WoS H index, h = 34.